From mboxrd@z Thu Jan 1 00:00:00 1970 From: Denis Fondras Subject: Re: Ceph performance improvement Date: Wed, 22 Aug 2012 18:23:25 +0200 Message-ID: <5035077D.8090707@ledeuns.net> References: <50349E62.90405@ledeuns.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from bmenez.pck.nerim.net ([213.41.245.173]:33400 "EHLO mail.ledeuns.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751706Ab2HVQXb (ORCPT ); Wed, 22 Aug 2012 12:23:31 -0400 Received: from [IPv6:2a01:728:103:1::21] (unknown [IPv6:2a01:728:103:1::21]) by mail.ledeuns.net (Postfix) with ESMTPSA id 2DA729325F for ; Wed, 22 Aug 2012 18:23:29 +0200 (CEST) In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org > > Are you sure your osd data and journal are on the disks you think? Th= e > /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 ao=C3=BBt 21 21:19=20 scsi-SATA_C300-CTFDDAC06400000000104903008FE4 -> ../../sda lrwxrwxrwx 1 root root 9 ao=C3=BBt 22 10:57=20 scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0124762 -> ../../sdh lrwxrwxrwx 1 root root 9 ao=C3=BBt 21 16:03=20 scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0137898 -> ../../sdg lrwxrwxrwx 1 root root 9 ao=C3=BBt 21 21:19=20 scsi-SATA_WDC_WD30EZRX-00_WD-WMAWZ0152201 -> ../../sdf lrwxrwxrwx 1 root root 9 ao=C3=BBt 21 16:03=20 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=20 (rw,relatime,size=3D10240k,nr_inodes=3D1020030,mode=3D755) devpts on /dev/pts type devpts=20 (rw,nosuid,noexec,relatime,gid=3D5,mode=3D620,ptmxmode=3D000) tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=3D817216k,mode= =3D755) /dev/disk/by-uuid/7d95d243-1788-4c3f-9f89-166c15f880f0 on / type ext3=20 (rw,relatime,errors=3Dremount-ro,barrier=3D1,data=3Dordered) tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=3D5= 120k) tmpfs on /tmp type tmpfs (rw,nosuid,nodev,relatime,size=3D1634432k) tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,relatime,size=3D1634432k) /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 ao=C3=BBt 22 17:22 /home/osd.0 -rw-r--r-- 1 root root 1048576000 ao=C3=BBt 22 17:22 /home/osd.0.journ= al Regards, Denis -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html