SoftRAID 5.5.5 – High-quality RAID management.

SoftRAID 5.5.5

SoftRAID allows you to create and manage disk arrays to increase performance and reliability. SoftRAID allows the user to create and manage RAID 4 and 5 volumes, RAID 1+0, and RAID 1 (Mirror) and RAID 0 (Stripe) volumes. SoftRAID also provides “predictive disk failure”, where users are alerted to potential disk failures even before they fail.

SoftRAID’s intuitive interface and powerful feature set make this utility a must-have for any OS X Server admin, “Pro” user, photographer, digital-video editor, or desktop user who wants more reliable backup for his computer.

What’s New

Version 5.5.5:

Known Bugs:
  • There is a bug reported in Parallels Desktop 10 software which can cause data corruption in your Windows virtual machines whether running on SoftRAID or AppleRAID volumes. You must install Parallels Desktop 11 if you are running on a SoftRAID or AppleRAID volume.
New features in version 5.5.5:
  • Added a work-around to SoftRAID driver to help mitigate damage to volumes caused by the Mac OS bug which causes disks to disappear from the Thunderbolt bus.
  • There is now a man page for SoftRAIDTool. Type "man softraidtool" in a Terminal window to view information about using SoftRAIDTool from the command line.
  • SoftRAID and SoftRAID Monitor are now localized to Japanese.
Bugs fixed in version 5.5.5:
  • The SoftRAID driver would cause a kernel panic when the Thunderbolt cable was repeatedly disconnected and reconnected to a ThunderBay with a 4 disk RAID 5 volume.
  • Fixed a kernel panic which could occur when clearing the i/o counts on a disk. This would happen if you cleared the error count on a disk which was part of a volume and the volume was unmountable because it was missing too many disks.
  • Fixed a kernel panic which occurs when fsck is run on disks which have a max transfer size of 128 KB.
  • Fixed a bug which could cause 2 SoftRAID Monitor menus to be displayed simultaneously.
  • Fixed a bug in the SoftRAID application which caused a white rectangle to be drawn at the left edge of each disk and volume tile. This would remain until the main window was resized.
  • Fixed a bug in the SoftRAID application which could result in a rebuilt volume which was not in sync. This would happen if you tried 2 times to resize a volume which was out of sync and then let it rebuild after the second resize completed.
  • The SoftRAID application now restores a disk's label if you certify or zero a disk and then re-initialize it
  • Fixed a bug which caused the progress indicator in the volume to remain after a user tried to delete a volume which could not be unmounted
  • Fixed a bug which prevented users from converting volumes back to AppleRAID after the evaluation period had expired
  • Fixed bug which could prevent installing the SoftRAID driver on startup volumes other than the boot volume
  • Fixed a bug which prevented the SoftRAIDTool from performing zero, verify and certify disk operations if they were run using the command line interface
  • Fixed a bug which could cause SoftRAID users to download beta versions of the application by mistake (SR-244).
  • Fixed a bug prevented adding SoftRAID Read-Only-Secondary volumes back to their original mirror volume. This bug also prevented converting Read-Only-Secondary volumes to new mirror volumes.


OS X 10.6.8 or later, 64-bit processor


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