Re: Storage device enumeration script

From: "Torbjørn Skagestad" <torbjorn@itpas.no>
To: Phil Turmel <philip@turmel.org>
Cc: John Robinson <john.robinson@anonymous.org.uk>,
	linux-raid@vger.kernel.org, Roman Mamedov <roman@rm.pp.ru>
Subject: Re: Storage device enumeration script
Date: Thu, 26 May 2011 14:05:05 +0200	[thread overview]
Message-ID: <1306411505.9437.130.camel@torbjorn> (raw)
In-Reply-To: <4DDE3E60.3010408@turmel.org>

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On Thu, 2011-05-26 at 07:49 -0400, Phil Turmel wrote:
> On 05/26/2011 05:59 AM, John Robinson wrote:
> > On 26/05/2011 10:45, Torbjørn Skagestad wrote:
> >> Hi,
> >>
> >> Great tool, thanks for sharing.
> >>
> >> I had to add some error handling to get it to work properly.
> >> Currently it runs on Ubuntu 10.04, 10.10 and 11.04.
> >>
> >> Added the check John Robinson asked for as well.
> >>
> >> Attached patch for those interested.
> > 
> > Thanks, Torbjørn!
> > 
> > Getting there:
> > 
> > [root@beast lsdrv]# python2.6 lsdrv
> > PCI [pata_marvell] 03:00.0 IDE interface: Marvell Technology Group Ltd. 88SE6121 SATA II Controller (rev b2)
> >  └─scsi 0:0:0:0 HL-DT-ST DVD-RAM GH22NP20
> >     └─sr0: Empty/Unknown 1.00g
> > PCI [ahci] 00:1f.2 SATA controller: Intel Corporation 82801JI (ICH10 Family) SATA AHCI Controller
> >  ├─scsi 2:0:0:0 ATA Hitachi HDS72101
> >  │  └─sda: Empty/Unknown 931.51g
> > Traceback (most recent call last):
> >   File "lsdrv", line 387, in <module>
> >     show_blocks(" %s " % branch[0], [phy.block])
> >   File "lsdrv", line 339, in show_blocks
> >     show_blocks("%s %s " % (indent, branch[0]), [blockbyname[x] for x in subs])
> > KeyError: 'sda1'
> > 
> > Now, something's not getting picked up about sda. Looking at Mathias' "sweet" output, it's not coping with the (DOS) partition table. Another variation on my kernel's /sys or still to old a Python or ...?
> 
> Hmmm.  I'll set up another CentOS VM.  If I recall correctly, that kernel has the original block devices in folders named '.../block:sda1' instead of '.../block/sda1'.  I'll have to identify this in the initial sweep through sysfs.
> 

For CentOS 5.4 (2.6.18-128.1.14) it is /sys/block/sda/sda[1-9]


> Phil
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-- 
Torbjørn Skagestad
Idé Til Produkt AS
torborn@itpas.no

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