Mailinglist Archive: opensuse (1196 mails)
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Re: [opensuse] Maximum number of partitions
- From: Felix Miata <mrmazda@xxxxxxxxxxxxx>
- Date: Tue, 12 Jan 2010 06:14:40 -0500
- Message-id: <4B4C59A0.2060404@xxxxxxxxxxxxx>
On 2010/01/12 11:19 (GMT+0100) Istvan Gabor composed:
Note that libata is generally the superior performer, performance not
exclusively meaning I/O speed.
At some point prior to 10.3 release at least the parameter was
brokenmodules=<actual libata driver>, e.g. brokenmodules=ata_piix for Intel.
That part of the guide got an update it needed for 11.2. AFAIR, it's still
possible to use IDE instead of libata in 11.2, but I don't think any
compelling reasons to remain. For some multidisk users I suppose there may be
some benefit to being able to stick to the legacy hda, hdb, hdc & hdd device
names.
This part of the doc didn't get the update it needed. 11.2 has a 2.6.31
kernel. The post 11.1/2.6.27 kernels lifted the libata (necessary for SCSI,
SATA, Firewire) restriction from 15 to (AFAIK) 63.
Don't forget though in case you care that 11.2 has no supported KDE 3.
--
"Our Constitution was made only for a moral and religious
people. It is wholly inadequate to the government of any
other." John Adams, 2nd US President
Team OS/2 ** Reg. Linux User #211409
Felix Miata *** http://fm.no-ip.com/
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I found the reference in the meantime, it is openSUSE 10.3 release notes.
It says:
"libata uses /dev/sda for the first harddisk instead of /dev/hda. Disks
with more than 15 partitions are not handled automatically right now. You
can disable libata support by booting with the following kernel parameter:
hwprobe=-modules.pata"
Note that libata is generally the superior performer, performance not
exclusively meaning I/O speed.
At some point prior to 10.3 release at least the parameter was
brokenmodules=<actual libata driver>, e.g. brokenmodules=ata_piix for Intel.
I checked openSUSE 11.0, 11.1 and 11.2 documentation: In 11.0 and 11.1 the
same kernel parameter is used as in 10.3. In 11.2 no kernel parameter
required. (At least the doc [Reference guide] does not mention it.)
That part of the guide got an update it needed for 11.2. AFAIR, it's still
possible to use IDE instead of libata in 11.2, but I don't think any
compelling reasons to remain. For some multidisk users I suppose there may be
some benefit to being able to stick to the legacy hda, hdb, hdc & hdd device
names.
11.2 Reference guide says (Chapter 2.1.1): "The maximumnumber of logical
partitions is 15 on SCSI, SATA, and Firewire disks and 63 on (E)IDE
disks."
This part of the doc didn't get the update it needed. 11.2 has a 2.6.31
kernel. The post 11.1/2.6.27 kernels lifted the libata (necessary for SCSI,
SATA, Firewire) restriction from 15 to (AFAIK) 63.
Don't forget though in case you care that 11.2 has no supported KDE 3.
--
"Our Constitution was made only for a moral and religious
people. It is wholly inadequate to the government of any
other." John Adams, 2nd US President
Team OS/2 ** Reg. Linux User #211409
Felix Miata *** http://fm.no-ip.com/
--
To unsubscribe, e-mail: opensuse+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse+help@xxxxxxxxxxxx
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