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The hpsa driver is available in the kernel. Most likely, you do not need these, as the cciss driver has been in the Linux kernel for a very long time, and most distributions will already have a cciss driver which will work for you as is. The hpsa driver is a SCSI driver, while the cciss driver is a block driver. Note also that if no sequential access devices or medium changers are detected, the SCSI core will not be engaged by the action of the above script. Note also that most tape drives will not oblige in aborting commands, and sometimes it appears they will not even obey a reset command, though in most circumstances they will. The binary RPMs created by the source RPMs here do not do these things, they only build the driver module and initrd image. CCISS upstream does not support these attributes either.

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In this case, it is just a text file, documentation, meant for human consumption. Comment 46 Tom Coughlan If you’ve been using cciss already on these controllers, it is not recommended that you attempt to upgrade your running system to switch from cciss to hpsa unless you have a very good reason to do so and know what you are doing.


This is because at driver init time, the SCSI core may not yet be initialized because the driver is a block driver and attempting to register it with the SCSI core in such a case would cause a hang. Fixed wrong usage of a pointer ccixs sysfs symlink. Fixed issue where controllers that had no configured volumes did not show up in the OS.

What is /dev/cciss/c0d0p1

Comment 44 Oliver Hookins Comment 35 Tomas Henzl I can’t see it on my VZ control dsvice Proxmox Thanks. Arrayprobe which ccciss need modifications to work with the hpsa driver. Comment 79 errata-xmlrpc Comment 61 Martin George It does exactly the same thing as show tech, except that it will ask you if you want to save the output in a file [ inside flashso that you can copy it using tftp], or display it on screen as usual. Use these for systems using 2. In these instances you may wish to try the source RPMs or tarballs provided here.

Comment 60 Barry Donahue The cciss driver participates in this protocol to some extent.

cciss(4) – Linux manual page

Comment 43 Ben Marzinski Comment 38 Oliver Hookins Files Device fevice The device naming scheme is as follows: Running an strace on the multipath command shows the issue at: Logs to syslog, and optionally, sends SNMP traps.


It neither modifies bootloader grub ccias lilo. If you’re already running cciss on these devices, and upgrade to a kernel containing the hpsa driver, you shouldn’t have to do anything, as cciss will continue to claim these devices. Then run multipath and verify no errors are generated.

Tomas Comment 28 Ronald Pacheco Comment 56 Ben Marzinski This request is not yet committed for inclusion in an Update release. Actually the original entry worked fine in previous RHEL5 kernels.

cciss(4) – Linux man page

Comment 24 Andrew Patterson Thanks, Tomas Comment 17 Tomas Henzl This patch will get called only once for each controller. Blacklisting cciss devices should solve the issue. cckss

Comment 66 Barry Donahue BSalunke September 3, at 2: Please let me know what Devoce need to do. The current list of controllers that are supported by cciss only:

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