Hi all
first of two questions (second will come later in a separate email).
We have a couple of machines with a largish number of disk drives (currently
up to 48) plus one or more "flash drives" - could be USB thumb drive, SATA
disk on module, SSD, whatever. Of course the order in which these a
Hi all,
in late 2011 there was a discussion on linux-fai about:
> How to handle large number of disk devices in "arbitrary" order?
> Carsten Aulbert carsten at welcomes-you.com
> Mon Nov 14 16:54:24 CET 2011
> We have a couple of machines with a largish number of d
On Monday 14 November 2011 16:54:24 Carsten Aulbert wrote:
> Hi all
>
> first of two questions (second will come later in a separate email).
>
> We have a couple of machines with a largish number of disk drives
> (currently up to 48) plus one or more "flash drives" - could be USB thumb
> drive, S
Hi Markus
On Monday 14 November 2011 18:22:22 Markus Koeberl wrote:
> what about /dev/disk/by-id and /dev/disk/by-path ?
>
> It seams to be supported by setup-storage:
> /* fully qualified device-path or short form, like hda, whereby full
> * path is assumed to be /dev/hda; may contain shell glob
Good morning
>
> FAI's error message is:
> Starting setup-storage 1.3
> Device name /dev/disk/by-id/scsi-SATA_DeLOCK.* could not be substituted
>
> (the same without the '.' did also fail)
But fails differently (thus I assume /dev/disk/by-id/scsi-SATA_DeLOCK*) should
be the correct way.
The e
Hi
On Tuesday 15 November 2011 07:22:52 Carsten Aulbert wrote:
>
> I suppose I'll have to dig into task_partition and the helper scripts in
> there.
that was easier than I thought:
From Parser.pm:
95- # test, whether the device name starts with a / and prepend /dev/, if
96- # appropriate
97-
Hi Carsten,
[...]
>
> But fails differently (thus I assume /dev/disk/by-id/scsi-SATA_DeLOCK*)
> should
> be the correct way.
>
> The error then is
>
> Failed to resolve /dev/disk/by-id/scsi-SATA_DeLOCK* to a unique device name
> which of course is true, if the device was already partitioned
Hi Michael
On Tuesday 15 November 2011 09:22:44 Michael Tautschnig wrote:
>
> I suppose you should be able to address this issue by using
>
> /dev/disk/by-id/scsi-SATA_DeLOCK*[A-Z0-9_][A-Z0-9_][A-Z0-9_]
>
> but obviously this isn't exactly beautiful. It might be easier if we
> instead permitted
Hi Carsten,
[...]
>
> Interestingly an additional '1' is added to the device name - is that for the
> first
> partition (sda1) which is invalid for this way of addressing the device?
>
> the "glob regexp" does indeed match nicely:
> root@ra01:/tmp/fai# perl -e 'print join("\n",
> glob("/dev/di
Hi
On Tuesday 15 November 2011 10:07:21 Michael Tautschnig wrote:
> Would you mind patching your copy of setup-storage in order to further
> debug this? It should suffice to change line 100 of Parser.pm to
>
> $disk = `readlink -f $candidates[0]` if (scalar(@candidates) == 1);
>
> [was: $disk =
Hi again,
[...]
>
> That's working
>
[...]
Cool!
> Although a proper 'lstat' might be more perlish ;)
>
Hmm, how would that best be implemented? (I'm always open to all kinds of perl
hints!!)
> I'll see how the remaining install will proceed. After that I'll try using
> setup-storage's 'md
> On Mon, 14 Nov 2011 16:54:24 +0100, Carsten Aulbert
> said:
> We have a couple of machines with a largish number of disk drives
(currently
> up to 48) plus one or more "flash drives" - could be USB thumb drive,
SATA
> disk on module, SSD, whatever. Of course the order i
Hi
On Tuesday 15 November 2011 11:14:09 Thomas Lange wrote:
>
> A different approach is to manipulate the shell variable $disklist.
> This variable is used by setup-storage and can be set by any script
> called class/*.var or class/*.source
>
> In such a script you could do anything that ensures
> On Tue, 15 Nov 2011 11:50:04 +0100, Carsten Aulbert
> said:
> Is there a way to force FAI to use UUID in /etc/fstab as well as for grub?
Yes. fstabkey:uuid
E.g.: disk_config sda fstabkey:uuid preserve_reinstall:8,9
--
regards Thomas
Hi
On Tuesday 15 November 2011 11:56:28 Thomas Lange wrote:
> > On Tue, 15 Nov 2011 11:50:04 +0100, Carsten Aulbert
said:
> > Is there a way to force FAI to use UUID in /etc/fstab as well as for
> > grub?
>
> Yes. fstabkey:uuid
>
> E.g.: disk_config sda fstabkey:uuid preserve_
Hi Carsten,
[...]
>
> Is there a way to force FAI to use UUID in /etc/fstab as well as for grub?
>
For fstab just use fstabkey:uuid in your disk_config line (which will be the
default 4.0). For grub you will have to use some local hacks AFAIK. I'm using
for grub 1 in boot/grub/menu.lst/preinst
On Tuesday 15 November 2011 12:02:25 Carsten Aulbert wrote:
> Hi
>
> On Tuesday 15 November 2011 11:56:28 Thomas Lange wrote:
> > > On Tue, 15 Nov 2011 11:50:04 +0100, Carsten Aulbert
>
> said:
> > > Is there a way to force FAI to use UUID in /etc/fstab as well as
> > > for grub?
> >
Hi
On Tuesday 15 November 2011 10:26:12 Michael Tautschnig wrote:
> > Although a proper 'lstat' might be more perlish ;)
>
> Hmm, how would that best be implemented? (I'm always open to all kinds of
> perl hints!!)
Actually, Cwd might help here, what about:
diff --git a/lib/setup-storage/Pars
Hi,
Carsten Aulbert wrote on 2011-11-17 08:39:45 +0100 [Re: How to handle large
number of disk devices in "arbitrary" order?]:
> [...]
> If so, should not any trailing /-part[0-9]+/ be cut out/ignored from the
> potential list of candidates? E.g. (fully untested, just r
Hi
On Friday 18 November 2011 02:49:18 Holger Parplies wrote:
> talking of 'perlish', isn't that
>
> my @candidates = grep { not /-part[0-9]+$/ } glob($disk);
>
even better! And actually much more readable... hmm, does it then really
qualify for 'perl-ish'? ;)
Cheers
Carsten
Hi Michael
On Tuesday 15 November 2011 10:26:12 Michael Tautschnig wrote:
>
> > I'll see how the remaining install will proceed. After that I'll try
> > using setup-storage's 'md' interface with the 12 disk drives
>
> Just a hint here: you might want to use sameas:some-other-disk to simplify
> t
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