Please note you need a recent version of smartmontools. I made some wrappers around binaries from megactl package to create the node if it doesn’t exist yet. Views Page Discussion View source History. It is available in the packages repository too. Actually this slot number will be used to represent this physical ID drive in other commands.
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However, please that most of old distributions won’t have this driver. Proprietary tools creates the device node at startup.
However LSI provide megaclia proprietary management command line utility which is rather hard to use. We can see configurations in megacli like Virtual Drive with RAID 0 over one physical drive, we have this settings because physical drives attached to raid controller, and for representing meyaraid device to the system we must set it in megacli.
It is always faster to read and write ferora cache then to access spinning disks. It’s okay with Windows, but not with Fedora.
It’s quite new and thus, may be missing in some not-up-to-date distributions.
LSIMegaRAIDSAS – HWraid
Msgaraid note you need a recent version of smartmontools. Enclosure – The physical chassis the physical drives attached to, represented by id, such asetc. The packages comes with a python wrapper around megacli and an initscript that periodic run this wrapper to check status. A server with two controllers old script version output, sorry got no such hardware to get a newer example: The cache policies are as follows:. Here is what to do:. Assuming your new unassigned drive is identified as!
trouble getting MEGARaid installed on Fedora 14.
We can see here Primary raid level 1 and secondary 0. Virtual Drive contains physical drives 0,1 and 2 and includes the settings of the raid device such as raid level, strip size etc. No one wants that.
These settings do not affect the read-ahead policy. MegaCli not providing all the information we need like mapping to linux devices and raid level readableso we are going to use some extra tools.
Registration is quick, simple and absolutely free. Welcome to the most active Linux Forum on the web. Find More Posts by fiz My SAS drives are not detected when installing Fedora 9.
If not, it won’t be used to avoid filling cache with randon useless data in case of randomly accessed sector. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced megarwid, subscribe to threads and access many other special features.
Navigation Main page Recent changes Random page. Then you can expect such monitoring facilities centreon on-top centreon-engine in this picture:.
It will force a single line output and will return exit code 0 if all good, or 2 if at least one thing is wrong. Regards, Erick Wellem me at erickwellem dot com. It seems to work on old card but fails with the new one.
Until arrays are healthy again a reminder will be sent each 2 hours. It will log a ligne to syslog when something failed and will send you a mail. It means actually raid 0 over raid 1 that is Megqraid The first thing you’ll have to do is to list IDs of all your physical disks:. Join our community today! As we look for simple output that shows the virtual drives structure, its hard to get that with megacli.
You can write your own script around megacli to check your adapter status health periodically.