From: David T-G <davidtg+robot@justpickone.org>
To: Linux RAID <linux-raid@vger.kernel.org>
Subject: can't loop the image files and assemble (was "Re: overlays on dd images of 4T drives")
Date: Tue, 16 Nov 2021 02:07:56 +0000 [thread overview]
Message-ID: <20211116020756.GA120503@opal1.opalstack.com> (raw)
In-Reply-To: <20211116020126.GA95566@opal1.opalstack.com>
Hi again, all --
...and then David T-G said...
%
...
%
% Can I create loopback devices pointing to the image files, which will
% give me raw handles, and then assemble that?
[snip]
Apparently that's a "no":
diskfarm:/mnt/10Traid50md/tmp # losetup -r /dev/loop10 `pwd`/4Tsda1*
diskfarm:/mnt/10Traid50md/tmp # losetup -r /dev/loop11 `pwd`/4Tsdb1*
diskfarm:/mnt/10Traid50md/tmp # losetup -r /dev/loop12 `pwd`/4Tsdc1*
diskfarm:/mnt/10Traid50md/tmp # losetup -a | grep 4T
/dev/loop11: [66326]:1054 (/mnt/10Traid50md/tmp/4Tsdb1.5YD9.dd-bs=256M-conv=sparse,noerror)
/dev/loop12: [66326]:1055 (/mnt/10Traid50md/tmp/4Tsdc1.5ZY3.dd-bs=256M-conv=sparse,noerror)
/dev/loop10: [66326]:1028 (/mnt/10Traid50md/tmp/4Tsda1.EYNA.dd-bs=256M-conv=sparse,noerror)
# hey ... i did those manually and in order! *sigh*
diskfarm:/mnt/10Traid50md/tmp # mdadm --assemble /dev/md4 /dev/loop1{0,1,2}
mdadm: /dev/loop10 is busy - skipping
mdadm: /dev/loop11 is busy - skipping
mdadm: /dev/loop12 is busy - skipping
Scratch that idea ...
:-D
--
David T-G
See http://justpickone.org/davidtg/email/
See http://justpickone.org/davidtg/tofu.txt
prev parent reply other threads:[~2021-11-16 2:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-14 2:29 overlays on dd images of 4T drives David T-G
2021-11-14 8:47 ` Roman Mamedov
2021-11-15 2:51 ` David T-G
2021-11-15 19:32 ` Phillip Susi
2021-11-16 2:01 ` David T-G
2021-11-16 2:07 ` David T-G [this message]
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