From: Tejun Heo <htejun@gmail.com>
To: Jim Paris <jim@jtan.com>
Cc: Richard Scobie <r.scobie@clear.net.nz>, linux-ide@vger.kernel.org
Subject: Re: Port multiplier
Date: Tue, 29 Aug 2006 00:38:42 +0900 [thread overview]
Message-ID: <44F30E02.8010503@gmail.com> (raw)
In-Reply-To: <20060828153554.GA4471@jim.sh>
Jim Paris wrote:
> Tejun Heo wrote:
>> Richard Scobie wrote:
>>
>>> Can I unmount the connected and mounted array and just unplug the array
>>> with no further concern?
>> The machine will survive and detach the device correctly but
>> yet-unwritten data will be lost.
>
> He said he'll unmount it first, so presumably that should avoid most
> data loss?
Ah... missed that line.
> I suppose if you're in the middle of a RAID resync, or
> just ran fdisk or fsck or similar, you could still have unflushed
> data. Does that mean that hot-unplug is not recommended, and one
> should always do warm-unplug instead?
If you have unmounted and none of fdisk/fsck/RAID resync or anything
similar is running (which is true most of the time), hot unplugging is
just fine.
--
tejun
next prev parent reply other threads:[~2006-08-28 15:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-28 7:16 Port multiplier Richard Scobie
2006-08-28 13:05 ` Tejun Heo
2006-08-28 15:35 ` Jim Paris
2006-08-28 15:38 ` Tejun Heo [this message]
2006-08-29 7:02 ` Richard Scobie
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