From: Denis Fondras <ceph@ledeuns.net>
To: ceph-devel@vger.kernel.org
Subject: Re: Ceph performance improvement
Date: Wed, 22 Aug 2012 18:23:25 +0200 [thread overview]
Message-ID: <5035077D.8090707@ledeuns.net> (raw)
In-Reply-To: <CADvuQRHQmK991u8NO3YH5qifTz-bj87YUfh2xmGRLrMVNZFGQw@mail.gmail.com>
>
> Are you sure your osd data and journal are on the disks you think? The
> /home paths look suspicious -- especially for journal, which often
> should be a block device.
>
I am :)
> Can you share output of "mount" and "ls -ld /home/osd.*"
Here are some details :
root@ceph-osd-0:~# ls -al /dev/disk/by-id/
lrwxrwxrwx 1 root root 9 août 21 21:19
scsi-SATA_C300-CTFDDAC06400000000104903008FE4 -> ../../sda
lrwxrwxrwx 1 root root 9 août 22 10:57
scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0124762 -> ../../sdh
lrwxrwxrwx 1 root root 9 août 21 16:03
scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0137898 -> ../../sdg
lrwxrwxrwx 1 root root 9 août 21 21:19
scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0152201 -> ../../sdf
lrwxrwxrwx 1 root root 9 août 21 16:03
scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0152562 -> ../../sdc
root@ceph-osd-0:~# mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs
(rw,relatime,size=10240k,nr_inodes=1020030,mode=755)
devpts on /dev/pts type devpts
(rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=817216k,mode=755)
/dev/disk/by-uuid/7d95d243-1788-4c3f-9f89-166c15f880f0 on / type ext3
(rw,relatime,errors=remount-ro,barrier=1,data=ordered)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,relatime,size=1634432k)
tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,relatime,size=1634432k)
/dev/sda on /home type btrfs (rw,relatime,ssd,space_cache)
/dev/sdf on /home/osd.0 type btrfs (rw,noatime,space_cache)
root@ceph-osd-0:~# ls -ld /home/osd.*
drwxr-xr-x 1 root root 236 août 22 17:22 /home/osd.0
-rw-r--r-- 1 root root 1048576000 août 22 17:22 /home/osd.0.journal
Regards,
Denis
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next prev parent reply other threads:[~2012-08-22 16:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 8:54 Ceph performance improvement Denis Fondras
2012-08-22 10:24 ` David McBride
2012-08-22 12:10 ` Denis Fondras
2012-08-23 3:51 ` Mark Kirkwood
2012-08-22 12:35 ` Mark Nelson
2012-08-22 12:42 ` Alexandre DERUMIER
2012-08-24 16:41 ` Denis Fondras
2012-08-24 17:42 ` Wido den Hollander
2012-08-22 16:03 ` Tommi Virtanen
2012-08-22 16:23 ` Denis Fondras [this message]
2012-08-22 16:29 ` Tommi Virtanen
2012-08-22 19:12 ` Ceph performance improvement / journal on block-dev Dieter Kasper (KD)
2012-08-22 23:19 ` Tommi Virtanen
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