Received: with ECARTIS (v1.0.0; list linux-xfs); Fri, 23 May 2003 06:47:56 -0700 (PDT) Received: from forumakad.pl (mail@forumakad.pl [212.182.115.22]) by oss.sgi.com (8.12.9/8.12.9) with SMTP id h4NDlm2x032250 for ; Fri, 23 May 2003 06:47:49 -0700 Received: from eyck by forumakad.pl with local (Exim 3.35 #1 (Debian)) id 19JCuA-0006Pf-00 for ; Fri, 23 May 2003 15:48:18 +0200 Date: Fri, 23 May 2003 15:48:18 +0200 To: linux-xfs@oss.sgi.com Subject: Problem with XFS on software RAID1 Message-ID: <20030523134818.GA1514@forumakad.pl> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="1yeeQ81UyVL57Vl7" Content-Disposition: inline User-Agent: Mutt/1.3.28i From: Dariush Pietrzak X-archive-position: 4112 X-ecartis-version: Ecartis v1.0.0 Sender: linux-xfs-bounce@oss.sgi.com Errors-to: linux-xfs-bounce@oss.sgi.com X-original-sender: eyck@forumakad.pl Precedence: bulk X-list: linux-xfs Content-Length: 9623 Lines: 177 --1yeeQ81UyVL57Vl7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hello, I stumbled upon a problem with xfs. It seems that it doesen't work with software RAID1 the way I expected. Attached are logs showing what I've done, and that it works with ext3, and also dmesg. Summary: One cannot use the same filesystem filtered through MD code and without it ( filesystem is on /dev/sdaX, you can't mount it via /dev/md0, or - filesystem was created on /dev/md0, you can't mount it via /dev/sdaX ) It hurts in two areas - one is that I'm trying to migrate existing system into RAID1, I added another disk, partitioned it just like the first one, expected to migrate nicely... I can't, although MD code seems to be doing the right job. Another is - when I've got RAID1-ed partition, I expect to be able to mount both copies without using raid in emergencies. That's the reason I'm using RAID1 and not 5. Am I doing something wrong? Should xfs code be aware of software RAID superblocks? Is MD code doing something wrong? regards, -- Dariush Pietrzak, She swore and she cursed, that she never would deceive me Key fingerprint = 40D0 9FFB 9939 7320 8294 05E0 BCC7 02C4 75CC 50D9 --1yeeQ81UyVL57Vl7 Content-Type: application/octet-stream Content-Disposition: attachment; filename="problem.dmesg.gz" Content-Transfer-Encoding: base64 H4sICJkXQj8CA3Byb2JsZW0uZG1lc2cA7Vv7c9vGEf4df8XW0wfZIUEAfKO2 pxQpW6xFmxFl151OR3MAjiQqEGDxMMn89f32DnzIkWM5cdrUFZNAxGFvb3dv 99vdA5PmYbyg22wj1oHx7sXMpVGY3dK/iiQXGX0I+MtNx2ybtvGXpEhjEUUy oLMo8W9pJD+EvqQgDT/IlKJEBDIwZrFY16ci95d1x7Kadatdt9u0CfMlDYaX WY3ihALpFQuSsfAinvFyTO9fzOg7XpMmIhYLuZJxTlnhZbsslyvjw0LYnbnn UhiHeSii8HtIfRxdifUaUuUJWVvfsoSFjzFM4iyJpEsZFveXrCYI/CSCGjRP xUqSV8znkDzQevSsbdMy5p7l0ruXA7vD1/sIjZHMpZ9jwems4dAkKTJJ0yTN TWOd71xy2h16G4fbfo9wn2HJeB4uipRVlSmk31sM/2VhElPbtNo+VWAuu251 61avqu01Gbz+2830zdX1jGYXg6vzm/HVdzQ7vxoPLm+mwzGNZ4Pp6+nBjnm+ m1kWiRxWsJrzHlXC9F/0jFpVCjMSZHfabWugyeySzDmSNe+SXUkIeh1C+aHe 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