The cciss driver previously contained a feature which would enable it by default to run on Smart Array controllers which it did not explicitly recognize except so far as to be able to determine that they were some sort of Smart Array. If you would like to run hpsa instead, there is a new module parameter to cciss, “cciss. 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. Use these for 2. It is important for the driver to prevent the kernel from accessing the physical drives directly, since these drives are used by the array controller to construct the logical drives. The hpsa driver is a SCSI driver, while the cciss driver is a block driver. Sign up using Facebook.
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Your drive device will vary depending on your Smart Array controller.
HP SmartArray RAID controllers – Linux driver differences (cciss versus hpsa) – Server Fault
Download all attachments as: Sign up contro,ler log in Sign up using Google. This is simply because making the switch is somewhat complex and it is easy to make a mistake or forget something and get your system into an unbootable state.
HP Smart Array CCISS driver
In this case, it is just a text file, documentation, meant for human consumption. 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. Home Questions Tags Users Unanswered. Arrayprobe offsite makes a report of events recorded by Smartarray contollers. It cotroller handle unexpected output changes and reminders until the status is fine again.
The function prints a message then retries the command that returned with a unit attention. Sign up using Facebook. The hpsa driver has the ability to claim unknown Smart Arrays, however this is turned off by default so that it does not try to claim older controllers meant to be claimed by the cciss driver. You must read and accept the License Agreement to continue.
In the case of kernels with cciss and hpsa drivers which do have overlapping sets of supported controllers, by default, cciss will claim these devices if it is loaded prior to hpsa which it normally will be. Management and reporting tools 3. Thomas 3, 3 13 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 ckntroller already have a cciss driver which will work for you as is.
Support for new Smart Array controllers was added and added the ability to report status of non-volatile cache. The intent with newer kernels 2.
HP/Compaq SmartArray series
Without this fix the system will panic on reboot when the HP cciss rpm has been uninstalled. It’s up to you but I wouldn’t enable such features if your power supply isn’t protected. Here’s a sample report from arrayprobe 2. It can no longer find the rhel5 base media cciss driver following an uninstalled of an HP smat rpm. The cciss driver must be informed that changes to the SCSI bus have been made.
Failed Last Failure Reason: Sign up using Facebook. The following list of controllers are supported by cciss on distributions based on kernels before 2. Arrayprobe which may need modifications to work with the hpsa driver. See these search results from hp. Updates for kdump support Changes since 3.
A new Smart Array driver called “hpsa” has been accepted into the main line linux kernel as of Dec controkler,in linux