From: Brian Foster <bfoster@redhat.com>
To: Dewangga Bachrul Alam <dewanggaba@xtremenitro.org>
Cc: xfs@oss.sgi.com
Subject: Re: Change sector size on existing partition
Date: Fri, 23 Jan 2015 08:39:33 -0500 [thread overview]
Message-ID: <20150123133933.GA2864@laptop.bfoster> (raw)
In-Reply-To: <54C246EC.90207@xtremenitro.org>
On Fri, Jan 23, 2015 at 08:04:44PM +0700, Dewangga Bachrul Alam wrote:
> Hi,
>
> I'm new to XFS, I have RAID-10 array with 4 disk, when I check with
> xfs_info, the information print like this.
>
> $ xfs_info /var/lib/mysql
> meta-data=/dev/mapper/vg_catalystdb01-lv_database isize=256
> agcount=16, agsize=1600000 blks
> = sectsz=4096 attr=2, projid32bit=0
> data = bsize=4096 blocks=25600000, imaxpct=25
> = sunit=0 swidth=0 blks
> naming =version 2 bsize=4096 ascii-ci=0
> log =internal bsize=4096 blocks=12500, version=2
> = sectsz=4096 sunit=1 blks, lazy-count=1
> realtime =none extsz=4096 blocks=0, rtextents=0
>
> Is it possible to change `sectsz` value to 512 without re-format it? Or
> any suggestion? I have issue with current sector size, my TokuDB
> engines[1] can't start because of this.
>
The only way to set things like sector size, block size, etc. is to
reformat. I believe the default sector size is dependent on the physical
device. You might want to report the following from your array device
and perhaps from some or all of the member devices:
blockdev --getss --getpbsz --getiomin --getioopt <device>
Brian
> [1] https://groups.google.com/forum/#!topic/tokudb-user/kvQFJLCmKwo
>
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> xfs@oss.sgi.com
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next prev parent reply other threads:[~2015-01-23 13:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-23 13:04 Change sector size on existing partition Dewangga Bachrul Alam
2015-01-23 13:39 ` Brian Foster [this message]
2015-01-23 13:46 ` Dewangga Bachrul Alam
2015-01-23 14:06 ` Brian Foster
2015-01-23 14:35 ` Dewangga Bachrul Alam
2015-01-23 15:29 ` Eric Sandeen
2015-01-23 15:40 ` Dewangga Bachrul Alam
2015-01-23 15:49 ` Eric Sandeen
2015-01-23 16:26 ` Dewangga Bachrul Alam
2015-01-23 16:44 ` Eric Sandeen
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