[ceph-users] Filestore to Bluestore migration question

Hayashida, Mami mami.hayashida at uky.edu
Mon Nov 5 08:32:37 PST 2018


But I still have 50 other Filestore OSDs on the same node, though.
Wouldn't doing it all at once (by not identifying the osd-id) be a problem
for those?  I have not migrated data out of those 50 OSDs yet.

On Mon, Nov 5, 2018 at 11:31 AM, Alfredo Deza <adeza at redhat.com> wrote:

> On Mon, Nov 5, 2018 at 11:24 AM Hayashida, Mami <mami.hayashida at uky.edu>
> wrote:
> >
> > Thank you for all of your replies. Just to clarify...
> >
> > 1. Hector:  I did unmount the file system if what you meant was
> unmounting the /var/lib/ceph/osd/ceph-$osd-id   for those disks (in my case
> osd.60-69) before running the ceph-volume lvm zap command
> >
> > 2. Alfredo: so I can at this point run the "ln" command (basically
> getting rid of the symbolic link) for each of those OSDs I have converted?
> For example
> >
> > ln -sf /dev/null /etc/systemc/system/ceph-disk at 60.service
> That will take care of OSD 60. This is fine if you want to do them one
> by one. To affect everything from ceph-disk, you would need to:
>
> ln -sf /dev/null /etc/systemd/system/ceph-disk at .service
>
> >
> >    Then reboot?
> >
> >
> > On Mon, Nov 5, 2018 at 11:17 AM, Alfredo Deza <adeza at redhat.com> wrote:
> >>
> >> On Mon, Nov 5, 2018 at 10:43 AM Hayashida, Mami <mami.hayashida at uky.edu>
> wrote:
> >> >
> >> > Additional info -- I know that /var/lib/ceph/osd/ceph-{60..69} are
> not mounted at this point (i.e.  mount | grep ceph-60, and 61-69, returns
> nothing.).  They don't show up when I run "df", either.
> >> >
> >> > On Mon, Nov 5, 2018 at 10:15 AM, Hayashida, Mami <
> mami.hayashida at uky.edu> wrote:
> >> >>
> >> >> Well, over the weekend the whole server went down and is now in the
> emergency mode. (I am running Ubuntu 16.04).  When I run "journalctl  -p
> err -xb"   I see that
> >> >>
> >> >> systemd[1]: Timed out waiting for device dev-sdh1.device.
> >> >> -- Subject: Unit dev-sdh1.device has failed
> >> >> -- Defined-By: systemd
> >> >> -- Support: http://lists.freeddesktop.org/....
> >> >> --
> >> >> -- Unit dev-sdh1.device has failed.
> >> >>
> >> >>
> >> >> I see this for every single one of the newly-converted Bluestore OSD
> disks (/dev/sd{h..q}1).
> >>
> >> This will happen with stale ceph-disk systemd units. You can disable
> those with:
> >>
> >> ln -sf /dev/null /etc/systemd/system/ceph-disk at .service
> >>
> >>
> >> >>
> >> >>
> >> >> --
> >> >>
> >> >> On Mon, Nov 5, 2018 at 9:57 AM, Alfredo Deza <adeza at redhat.com>
> wrote:
> >> >>>
> >> >>> On Fri, Nov 2, 2018 at 5:04 PM Hayashida, Mami <
> mami.hayashida at uky.edu> wrote:
> >> >>> >
> >> >>> > I followed all the steps Hector suggested, and almost everything
> seems to have worked fine.  I say "almost" because one out of the 10 osds I
> was migrating could not be activated even though everything up to that
> point worked just as well for that osd as the other ones. Here is the
> output for that particular failure:
> >> >>> >
> >> >>> > *****
> >> >>> > ceph-volume lvm activate --all
> >> >>> > ...
> >> >>> > --> Activating OSD ID 67 FSID 17cd6755-76f9-4160-906c-XXXXXX
> >> >>> > Running command: mount -t tmpfs tmpfs /var/lib/ceph/osd/ceph-67
> >> >>> > --> Absolute path not found for executable: restorecon
> >> >>> > --> Ensure $PATH environment variable contains common executable
> locations
> >> >>> > Running command: ceph-bluestore-tool --cluster=ceph prime-osd-dir
> --dev /dev/hdd67/data67 --path /var/lib/ceph/osd/ceph-67
> >> >>> >  stderr: failed to read label for /dev/hdd67/data67: (2) No such
> file or directory
> >> >>> > -->  RuntimeError: command returned non-zero exit status:
> >> >>>
> >> >>> I wonder if the /dev/sdo device where hdd67/data67 is located is
> >> >>> available, or if something else is missing. You could try poking
> >> >>> around with `lvs` and see if that LV shows up, also `ceph-volume lvm
> >> >>> list hdd67/data67` can help here because it
> >> >>> groups OSDs to LVs. If you run `ceph-volume lvm list --format=json
> >> >>> hdd67/data67` you will also see all the metadata stored in it.
> >> >>>
> >> >>> Would be interesting to see that output to verify things exist and
> are
> >> >>> usable for OSD activation.
> >> >>>
> >> >>> >
> >> >>> > *******
> >> >>> > I then checked to see if the rest of the migrated OSDs were back
> in by calling the ceph osd tree command from the admin node.  Since they
> were not, I tried to restart the first of the 10 newly migrated Bluestore
> osds by calling
> >> >>> >
> >> >>> > *******
> >> >>> > systemctl start ceph-osd at 60
> >> >>> >
> >> >>> > At that point, not only this particular service could not be
> started, but ALL the OSDs (daemons) on the entire node shut down!!!!!
> >> >>> >
> >> >>> > ******
> >> >>> > root at osd1:~# systemctl status ceph-osd at 60
> >> >>> > ● ceph-osd at 60.service - Ceph object storage daemon osd.60
> >> >>> >    Loaded: loaded (/lib/systemd/system/ceph-osd at .service;
> enabled-runtime; vendor preset: enabled)
> >> >>> >    Active: inactive (dead) since Fri 2018-11-02 15:47:20 EDT; 1h
> 9min ago
> >> >>> >   Process: 3473621 ExecStart=/usr/bin/ceph-osd -f --cluster
> ${CLUSTER} --id %i --setuser ceph --setgroup ceph (code=exited,
> status=0/SUCCESS)
> >> >>> >   Process: 3473147 ExecStartPre=/usr/lib/ceph/ceph-osd-prestart.sh
> --cluster ${CLUSTER} --id %i (code=exited, status=0/SUCCESS)
> >> >>> >  Main PID: 3473621 (code=exited, status=0/SUCCESS)
> >> >>> >
> >> >>> > Oct 29 15:57:53 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-10-29
> 15:57:53.868856 7f68adaece00 -1 osd.60 48106 log_to_monitors {default=true}
> >> >>> > Oct 29 15:57:53 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-10-29
> 15:57:53.874373 7f68adaece00 -1 osd.60 48106 mon_cmd_maybe_osd_create fail:
> 'you must complete the upgrade and 'ceph osd require-osd-release luminous'
> before using crush device classes': (1) Operation not permitted
> >> >>> > Oct 30 06:25:01 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-10-30
> 06:25:01.961720 7f687feb3700 -1 received  signal: Hangup from  PID: 3485955
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Oct 31 06:25:02 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-10-31
> 06:25:02.110898 7f687feb3700 -1 received  signal: Hangup from  PID: 3500945
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Nov 01 06:25:02 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-11-01
> 06:25:02.101548 7f687feb3700 -1 received  signal: Hangup from  PID: 3514774
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Nov 02 06:25:02 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-11-02
> 06:25:01.997557 7f687feb3700 -1 received  signal: Hangup from  PID: 3528128
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Nov 02 15:47:16 osd1.oxxxxx.uky.edu ceph-osd[3473621]:
> 2018-11-02 15:47:16.322229 7f687feb3700 -1 received  signal: Terminated
> from  PID: 1 task name: /lib/systemd/systemd --system --deserialize 20
> UID: 0
> >> >>> > Nov 02 15:47:16 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-11-02
> 15:47:16.322253 7f687feb3700 -1 osd.60 48504 *** Got signal Terminated ***
> >> >>> > Nov 02 15:47:16 osd1.xxxxx.uky.edu ceph-osd[3473621]: 2018-11-02
> 15:47:16.676625 7f687feb3700 -1 osd.60 48504 shutdown
> >> >>> > Nov 02 16:34:05 osd1.oxxxxx.uky.edu systemd[1]: Stopped Ceph
> object storage daemon osd.60.
> >> >>> >
> >> >>> > **********
> >> >>> > And ere is the output for one of the OSDs (osd.70 still using
> Filestore) that shut down right when I tried to start osd.60
> >> >>> >
> >> >>> > ********
> >> >>> >
> >> >>> > root at osd1:~# systemctl status ceph-osd at 70
> >> >>> > ● ceph-osd at 70.service - Ceph object storage daemon osd.70
> >> >>> >    Loaded: loaded (/lib/systemd/system/ceph-osd at .service;
> enabled-runtime; vendor preset: enabled)
> >> >>> >    Active: inactive (dead) since Fri 2018-11-02 16:34:08 EDT;
> 2min 6s ago
> >> >>> >   Process: 3473629 ExecStart=/usr/bin/ceph-osd -f --cluster
> ${CLUSTER} --id %i --setuser ceph --setgroup ceph (code=exited,
> status=0/SUCCESS)
> >> >>> >   Process: 3473153 ExecStartPre=/usr/lib/ceph/ceph-osd-prestart.sh
> --cluster ${CLUSTER} --id %i (code=exited, status=0/SUCCESS)
> >> >>> >  Main PID: 3473629 (code=exited, status=0/SUCCESS)
> >> >>> >
> >> >>> > Oct 29 15:57:51 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-10-29
> 15:57:51.300563 7f530eec2e00 -1 osd.70 pg_epoch: 48095 pg[68.ces1( empty
> local-lis/les=47489/47489 n=0 ec=6030/6030 lis/c 47488/47488 les/c/f
> 47489/47489/0 47485/47488/47488) [138,70,203]p138(0) r=1 lpr=0 crt=0'0
> unknown NO
> >> >>> > Oct 30 06:25:01 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-10-30
> 06:25:01.961743 7f52d8e44700 -1 received  signal: Hangup from  PID: 3485955
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Oct 31 06:25:02 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-10-31
> 06:25:02.110920 7f52d8e44700 -1 received  signal: Hangup from  PID: 3500945
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Nov 01 06:25:02 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-11-01
> 06:25:02.101568 7f52d8e44700 -1 received  signal: Hangup from  PID: 3514774
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Nov 02 06:25:02 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-11-02
> 06:25:01.997633 7f52d8e44700 -1 received  signal: Hangup from  PID: 3528128
> task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse
> radosgw  UID: 0
> >> >>> > Nov 02 16:34:05 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-11-02
> 16:34:05.607714 7f52d8e44700 -1 received  signal: Terminated from  PID: 1
> task name: /lib/systemd/systemd --system --deserialize 20  UID: 0
> >> >>> > Nov 02 16:34:05 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-11-02
> 16:34:05.607738 7f52d8e44700 -1 osd.70 48535 *** Got signal Terminated ***
> >> >>> > Nov 02 16:34:05 osd1.xxxx.uky.edu systemd[1]: Stopping Ceph
> object storage daemon osd.70...
> >> >>> > Nov 02 16:34:05 osd1.xxxx.uky.edu ceph-osd[3473629]: 2018-11-02
> 16:34:05.677348 7f52d8e44700 -1 osd.70 48535 shutdown
> >> >>> > Nov 02 16:34:08 osd1.xxxx.uky.edu systemd[1]: Stopped Ceph
> object storage daemon osd.70.
> >> >>> >
> >> >>> > **************
> >> >>> >
> >> >>> > So, at this point, ALL the OSDs on that node have been shut down.
> >> >>> >
> >> >>> > For your information this is the output of lsblk command
> (selection)
> >> >>> > *****
> >> >>> > root at osd1:~# lsblk
> >> >>> > NAME           MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
> >> >>> > sda              8:0    0 447.1G  0 disk
> >> >>> > ├─ssd0-db60    252:0    0    40G  0 lvm
> >> >>> > ├─ssd0-db61    252:1    0    40G  0 lvm
> >> >>> > ├─ssd0-db62    252:2    0    40G  0 lvm
> >> >>> > ├─ssd0-db63    252:3    0    40G  0 lvm
> >> >>> > ├─ssd0-db64    252:4    0    40G  0 lvm
> >> >>> > ├─ssd0-db65    252:5    0    40G  0 lvm
> >> >>> > ├─ssd0-db66    252:6    0    40G  0 lvm
> >> >>> > ├─ssd0-db67    252:7    0    40G  0 lvm
> >> >>> > ├─ssd0-db68    252:8    0    40G  0 lvm
> >> >>> > └─ssd0-db69    252:9    0    40G  0 lvm
> >> >>> > sdb              8:16   0 447.1G  0 disk
> >> >>> > ├─sdb1           8:17   0    40G  0 part
> >> >>> > ├─sdb2           8:18   0    40G  0 part
> >> >>> >
> >> >>> > .....
> >> >>> >
> >> >>> > sdh              8:112  0   3.7T  0 disk
> >> >>> > └─hdd60-data60 252:10   0   3.7T  0 lvm
> >> >>> > sdi              8:128  0   3.7T  0 disk
> >> >>> > └─hdd61-data61 252:11   0   3.7T  0 lvm
> >> >>> > sdj              8:144  0   3.7T  0 disk
> >> >>> > └─hdd62-data62 252:12   0   3.7T  0 lvm
> >> >>> > sdk              8:160  0   3.7T  0 disk
> >> >>> > └─hdd63-data63 252:13   0   3.7T  0 lvm
> >> >>> > sdl              8:176  0   3.7T  0 disk
> >> >>> > └─hdd64-data64 252:14   0   3.7T  0 lvm
> >> >>> > sdm              8:192  0   3.7T  0 disk
> >> >>> > └─hdd65-data65 252:15   0   3.7T  0 lvm
> >> >>> > sdn              8:208  0   3.7T  0 disk
> >> >>> > └─hdd66-data66 252:16   0   3.7T  0 lvm
> >> >>> > sdo              8:224  0   3.7T  0 disk
> >> >>> > └─hdd67-data67 252:17   0   3.7T  0 lvm
> >> >>> > sdp              8:240  0   3.7T  0 disk
> >> >>> > └─hdd68-data68 252:18   0   3.7T  0 lvm
> >> >>> > sdq             65:0    0   3.7T  0 disk
> >> >>> > └─hdd69-data69 252:19   0   3.7T  0 lvm
> >> >>> > sdr             65:16   0   3.7T  0 disk
> >> >>> > └─sdr1          65:17   0   3.7T  0 part /var/lib/ceph/osd/ceph-70
> >> >>> > .....
> >> >>> >
> >> >>> > As a Ceph novice, I am totally clueless about the next step at
> this point.  Any help would be appreciated.
> >> >>> >
> >> >>> > On Thu, Nov 1, 2018 at 3:16 PM, Hayashida, Mami <
> mami.hayashida at uky.edu> wrote:
> >> >>> >>
> >> >>> >> Thank you, both of you.  I will try this out very soon.
> >> >>> >>
> >> >>> >> On Wed, Oct 31, 2018 at 8:48 AM, Alfredo Deza <adeza at redhat.com>
> wrote:
> >> >>> >>>
> >> >>> >>> On Wed, Oct 31, 2018 at 8:28 AM Hayashida, Mami <
> mami.hayashida at uky.edu> wrote:
> >> >>> >>> >
> >> >>> >>> > Thank you for your replies. So, if I use the method Hector
> suggested (by creating PVs, VGs.... etc. first), can I add the --osd-id
> parameter to the command as in
> >> >>> >>> >
> >> >>> >>> > ceph-volume lvm prepare --bluestore --data hdd0/data0
> --block.db ssd/db0  --osd-id 0
> >> >>> >>> > ceph-volume lvm prepare --bluestore --data hdd1/data1
> --block.db ssd/db1  --osd-id 1
> >> >>> >>> >
> >> >>> >>> > so that Filestore -> Bluestore migration will not change the
> osd ID on each disk?
> >> >>> >>>
> >> >>> >>> That looks correct.
> >> >>> >>>
> >> >>> >>> >
> >> >>> >>> > And one more question.  Are there any changes I need to make
> to the ceph.conf file?  I did comment out this line that was probably used
> for creating Filestore (using ceph-deploy):  osd journal size = 40960
> >> >>> >>>
> >> >>> >>> Since you've pre-created the LVs the commented out line will not
> >> >>> >>> affect anything.
> >> >>> >>>
> >> >>> >>> >
> >> >>> >>> >
> >> >>> >>> >
> >> >>> >>> > On Wed, Oct 31, 2018 at 7:03 AM, Alfredo Deza <
> adeza at redhat.com> wrote:
> >> >>> >>> >>
> >> >>> >>> >> On Wed, Oct 31, 2018 at 5:22 AM Hector Martin <
> hector at marcansoft.com> wrote:
> >> >>> >>> >> >
> >> >>> >>> >> > On 31/10/2018 05:55, Hayashida, Mami wrote:
> >> >>> >>> >> > > I am relatively new to Ceph and need some advice on
> Bluestore migration.
> >> >>> >>> >> > > I tried migrating a few of our test cluster nodes from
> Filestore to
> >> >>> >>> >> > > Bluestore by following this
> >> >>> >>> >> > > (http://docs.ceph.com/docs/luminous/rados/operations/
> bluestore-migration/)
> >> >>> >>> >> > > as the cluster is currently running 12.2.9. The cluster,
> originally set
> >> >>> >>> >> > > up by my predecessors, was running Jewel until I
> upgraded it recently to
> >> >>> >>> >> > > Luminous.
> >> >>> >>> >> > >
> >> >>> >>> >> > > OSDs in each OSD host is set up in such a way that for
> ever 10 data HDD
> >> >>> >>> >> > > disks, there is one SSD drive that is holding their
> journals.  For
> >> >>> >>> >> > > example, osd.0 data is on /dev/sdh and its Filestore
> journal is on a
> >> >>> >>> >> > > partitioned part of /dev/sda. So, lsblk shows something
> like
> >> >>> >>> >> > >
> >> >>> >>> >> > > sda       8:0    0 447.1G  0 disk
> >> >>> >>> >> > > ├─sda1    8:1    0    40G  0 part # journal for osd.0
> >> >>> >>> >> > >
> >> >>> >>> >> > > sdh       8:112  0   3.7T  0 disk
> >> >>> >>> >> > > └─sdh1    8:113  0   3.7T  0 part
> /var/lib/ceph/osd/ceph-0
> >> >>> >>> >> > >
> >> >>> >>> >> >
> >> >>> >>> >> > The BlueStore documentation states that the wal will
> automatically use
> >> >>> >>> >> > the db volume if it fits, so if you're using a single SSD
> I think
> >> >>> >>> >> > there's no good reason to split out the wal, if I'm
> understanding it
> >> >>> >>> >> > correctly.
> >> >>> >>> >>
> >> >>> >>> >> This is correct, no need for wal in this case.
> >> >>> >>> >>
> >> >>> >>> >> >
> >> >>> >>> >> > You should be using ceph-volume, since ceph-disk is
> deprecated. If
> >> >>> >>> >> > you're sharing the SSD as wal/db for a bunch of OSDs, I
> think you're
> >> >>> >>> >> > going to have to create the LVs yourself first. The data
> HDDs should be
> >> >>> >>> >> > PVs (I don't think it matters if they're partitions or
> whole disk PVs as
> >> >>> >>> >> > long as LVM discovers them) each part of a separate VG
> (e.g. hdd0-hdd9)
> >> >>> >>> >> > containing a single LV. Then the SSD should itself be an
> LV for a
> >> >>> >>> >> > separate shared SSD VG (e.g. ssd).
> >> >>> >>> >> >
> >> >>> >>> >> > So something like (assuming sda is your wal SSD and sdb
> and onwards are
> >> >>> >>> >> > your OSD HDDs):
> >> >>> >>> >> > pvcreate /dev/sda
> >> >>> >>> >> > pvcreate /dev/sdb
> >> >>> >>> >> > pvcreate /dev/sdc
> >> >>> >>> >> > ...
> >> >>> >>> >> >
> >> >>> >>> >> > vgcreate ssd /dev/sda
> >> >>> >>> >> > vgcreate hdd0 /dev/sdb
> >> >>> >>> >> > vgcreate hdd1 /dev/sdc
> >> >>> >>> >> > ...
> >> >>> >>> >> >
> >> >>> >>> >> > lvcreate -L 40G -n db0 ssd
> >> >>> >>> >> > lvcreate -L 40G -n db1 ssd
> >> >>> >>> >> > ...
> >> >>> >>> >> >
> >> >>> >>> >> > lvcreate -L 100%VG -n data0 hdd0
> >> >>> >>> >> > lvcreate -L 100%VG -n data1 hdd1
> >> >>> >>> >> > ...
> >> >>> >>> >> >
> >> >>> >>> >> > ceph-volume lvm prepare --bluestore --data hdd0/data0
> --block.db ssd/db0
> >> >>> >>> >> > ceph-volume lvm prepare --bluestore --data hdd1/data1
> --block.db ssd/db1
> >> >>> >>> >> > ...
> >> >>> >>> >> >
> >> >>> >>> >> > ceph-volume lvm activate --all
> >> >>> >>> >> >
> >> >>> >>> >> > I think it might be possible to just let ceph-volume
> create the PV/VG/LV
> >> >>> >>> >> > for the data disks and only manually create the DB LVs,
> but it shouldn't
> >> >>> >>> >> > hurt to do it on your own and just give ready-made LVs to
> ceph-volume
> >> >>> >>> >> > for everything.
> >> >>> >>> >>
> >> >>> >>> >> Another alternative here is to use the new `lvm batch`
> subcommand to
> >> >>> >>> >> do all of this in one go:
> >> >>> >>> >>
> >> >>> >>> >> ceph-volume lvm batch /dev/sda /dev/sdb /dev/sdc /dev/sdd
> /dev/sde
> >> >>> >>> >> /dev/sdf /dev/sdg /dev/sdh
> >> >>> >>> >>
> >> >>> >>> >> Will detect that sda is an SSD and will create the LVs for
> you for
> >> >>> >>> >> block.db (one for each spinning disk). For each spinning
> disk, it will
> >> >>> >>> >> place data on them.
> >> >>> >>> >>
> >> >>> >>> >> The one caveat is that you no longer control OSD IDs, and
> they are
> >> >>> >>> >> created with whatever the monitors are giving out.
> >> >>> >>> >>
> >> >>> >>> >> This operation is not supported from ceph-deploy either.
> >> >>> >>> >> >
> >> >>> >>> >> > --
> >> >>> >>> >> > Hector Martin (hector at marcansoft.com)
> >> >>> >>> >> > Public Key: https://marcan.st/marcan.asc
> >> >>> >>> >> > _______________________________________________
> >> >>> >>> >> > ceph-users mailing list
> >> >>> >>> >> > ceph-users at lists.ceph.com
> >> >>> >>> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> >> >>> >>> >
> >> >>> >>> >
> >> >>> >>> >
> >> >>> >>> >
> >> >>> >>> > --
> >> >>> >>> > Mami Hayashida
> >> >>> >>> > Research Computing Associate
> >> >>> >>> >
> >> >>> >>> > Research Computing Infrastructure
> >> >>> >>> > University of Kentucky Information Technology Services
> >> >>> >>> > 301 Rose Street | 102 James F. Hardymon Building
> >> >>> >>> > Lexington, KY 40506-0495
> >> >>> >>> > mami.hayashida at uky.edu
> >> >>> >>> > (859)323-7521
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >>
> >> >>> >> --
> >> >>> >> Mami Hayashida
> >> >>> >> Research Computing Associate
> >> >>> >>
> >> >>> >> Research Computing Infrastructure
> >> >>> >> University of Kentucky Information Technology Services
> >> >>> >> 301 Rose Street | 102 James F. Hardymon Building
> >> >>> >> Lexington, KY 40506-0495
> >> >>> >> mami.hayashida at uky.edu
> >> >>> >> (859)323-7521
> >> >>> >
> >> >>> >
> >> >>> >
> >> >>> >
> >> >>> > --
> >> >>> > Mami Hayashida
> >> >>> > Research Computing Associate
> >> >>> >
> >> >>> > Research Computing Infrastructure
> >> >>> > University of Kentucky Information Technology Services
> >> >>> > 301 Rose Street | 102 James F. Hardymon Building
> >> >>> > Lexington, KY 40506-0495
> >> >>> > mami.hayashida at uky.edu
> >> >>> > (859)323-7521
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Mami Hayashida
> >> >> Research Computing Associate
> >> >>
> >> >> Research Computing Infrastructure
> >> >> University of Kentucky Information Technology Services
> >> >> 301 Rose Street | 102 James F. Hardymon Building
> >> >> Lexington, KY 40506-0495
> >> >> mami.hayashida at uky.edu
> >> >> (859)323-7521
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > Mami Hayashida
> >> > Research Computing Associate
> >> >
> >> > Research Computing Infrastructure
> >> > University of Kentucky Information Technology Services
> >> > 301 Rose Street | 102 James F. Hardymon Building
> >> > Lexington, KY 40506-0495
> >> > mami.hayashida at uky.edu
> >> > (859)323-7521
> >
> >
> >
> >
> > --
> > Mami Hayashida
> > Research Computing Associate
> >
> > Research Computing Infrastructure
> > University of Kentucky Information Technology Services
> > 301 Rose Street | 102 James F. Hardymon Building
> > Lexington, KY 40506-0495
> > mami.hayashida at uky.edu
> > (859)323-7521
>



-- 
*Mami Hayashida*

*Research Computing Associate*
Research Computing Infrastructure
University of Kentucky Information Technology Services
301 Rose Street | 102 James F. Hardymon Building
Lexington, KY 40506-0495
mami.hayashida at uky.edu
(859)323-7521
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20181105/307143ac/attachment.html>


More information about the ceph-users mailing list