scsi

Maximum Number of Disks In RAID 5

by Vivek Gite on December 4, 2010 · 2 comments

Is there a limit to how many drives you can have in one RAID-5? What is the maximum number of physical drives recommended in a RAID-5 set?

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I can use the smartctl -d ata -a /dev/sdb to read hard disk health status directly connected to my system. But, how do I read smartctl command to check disk SAS / SCSI behind Adaptec RAID controller from the shell prompt?

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How do I reload the partition table in Ubuntu Linux without rebooting the systems?

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Solaris UNIX: Display LUNs

by Vivek Gite on June 29, 2009 · 0 comments

How do I display LUNs under Solaris UNIX version 10 or earlier?

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How do I find out the make, model and serial number for my SCSI or IDE hard disks under CentOS Linux server? How do I get vendor information about my disk storage w/o opening my Intel / AMD server chassis?

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OpenBSD Mount And Use a USB Flash Drive

by Vivek Gite on May 27, 2007 · 5 comments

How do I mount and use a USB pen or hard disk under OpenBSD operating systems?

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Q. I have two disk-mirrored array, suppose if one of my disk in mirrored RAID array fails, then I will replace that disk with new one (I have hot swapping SCSI drives). Now question is how I rebuild a RAID array after a disk fails. A. A redundant array of inexpensive disks, (redundant array of [...]

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