From: "Bryn M. Reeves" <breeves@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] pvcreate problem
Date: Wed, 13 Feb 2008 09:58:25 +0000 [thread overview]
Message-ID: <47B2BF41.8070701@redhat.com> (raw)
In-Reply-To: <b646832c0802130106v3d7c6f6ene7475edc2c599fec@mail.gmail.com>
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Yajith Ajantha Dayarathna | ????? ????? ??????? wrote:
> even though the fdisk output contains "/dev/cciss/c0d0p16" there is no
> such device created under /dev/cciss/.
> Is it because of the above mentioned limitation ?
That's correct - under Linux, IDE hard disks (/dev/hd*) can have up to
63 partitions but SCSI and RAID controllers like the CCISS are limited
to 15 partitions (16 if you count the whole-device) due to the way minor
numbers are allocated to /dev/sd* nodes.
You could cheat and map the additional partitions using kpartx - run
"kpartx -a /dev/cciss/c0d0" and this should create a device-mapper
device for each partition under /dev/mapper/c0d0p*. You can remove them
again with "kpartx -d /dev/cciss/c0d0".
That said, it might be better to reconsider your partitioning scheme and
see if you really need that number of partition table entries.
Regards,
Bryn.
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next prev parent reply other threads:[~2008-02-13 9:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-13 8:13 [linux-lvm] pvcreate problem Yajith Ajantha Dayarathna | යජිත් අජන්ත දයාරත්න
2008-02-13 8:37 ` Mark Huth
2008-02-13 9:04 ` Yajith Ajantha Dayarathna | යජිත් අජන්ත දයාරත්න
2008-02-13 9:06 ` Yajith Ajantha Dayarathna | යජිත් අජන්ත දයාරත්න
2008-02-13 9:58 ` Bryn M. Reeves [this message]
2008-02-13 10:13 ` Yajith Ajantha Dayarathna | යජිත් අජන්ත දයාරත්න
2008-02-13 10:35 ` Bryn M. Reeves
-- strict thread matches above, loose matches on Subject: below --
2002-12-05 17:27 Alexander Lazarevich
2002-12-06 8:56 ` Alexander Lazarevich
2002-12-06 8:59 ` Heinz J . Mauelshagen
2002-12-06 9:26 ` Alexander Lazarevich
2002-12-09 5:13 ` Heinz J . Mauelshagen
2002-01-02 2:13 Colin Coe
2002-01-02 2:46 ` Luca Berra
2002-01-02 11:59 ` Kirby C. Bohling
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