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Cannot create RAID-0 in Tiger
After problems described in “OSX 10.4 Tiger upgrade destoy RAID-0 from 10.3.x” thread, I loosed all my data and I began creating RAID-0 again from zero.
Alhough I can both discs format and make as standard disc with volume and they are after formating (erasing) online I cannot create RAID (0 or 1) from this discs.
Disk Utility (or command line “discutil”) after about 25 second say (in console):
Cannot bring RAID volume online
and befor this message I see anything about this: Cannot create boot disc.Any hints?
David Krames
Czech TV -
4 Replies
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You definitely have some issue here, because we have done this several times… including a 4 disk RAID zero today. Are all the discs the same type and size?
You may need to reinstall Tiger if you can’t get this worked out…
Mitch Ives
Insight Productions Corp.
mitch@insightproductions.com
http://www.insightproductions.com -
Yes – disks are the same as worked in Panther.
This is Medea Videoraid FCR2X Fibre Channel. It consist from the same 2 parts (as have Apple XRaid).Erasing both discs not helped. Erasing end succesfully, but RAID cannot been created
Creating RAID directly from 2 unpartitioned discs come with this message (in console – because Disk Utility stop responding without message):
——————–Creating RAID
Filesystem: Mac OS Extended
RAID type: Striped RAID Set
RAID set name: -
1/ I tryed create RAID from Tiger boot CD/DVD – without succes.
2/ I tryed create RAID from Panther boot CD/DVD – no problem – RAID was created
But after rebooting into Tiger – RAID say 1.2TB (this is o.k.) – but seems as read-only I cannot write anything on them.Comand line command – convertRAID (Convert a RAID 1.x (pre-Tiger) to a RAID 2.x (Tiger)) not work:
diskutil convertRAID /Volumes/videoraid2
Starting to convert RAID. Resizing RAID disk to make room for RAID footer.
RAID parent rawSize = 1317571133440 bytes
Usable space for new RAID = 1317571059712 bytes
changing filesystem size on disk ‘disk5’…
Attempting to change filesystem size from 1317571133440 to 1317571059712 bytes
Filesystem grow failed, 1
Disk Management could not shrink the filesystem to fit the new RAID headers
Error converting RAID Invalid request (-9998)—
/dev/disk3
#: type name size identifier
0: Apple_partition_scheme *613.5 GB disk3
1: Apple_partition_map 30.0 KB disk3s1
2: Apple_Driver_OpenFirmware 512.0 KB disk3s2
3: Apple_Boot_RAID 613.5 GB disk3s3
/dev/disk4
#: type name size identifier
0: Apple_partition_scheme *613.5 GB disk4
1: Apple_partition_map 30.0 KB disk4s1
2: Apple_Driver_OpenFirmware 512.0 KB disk4s2
3: Apple_Boot_RAID 613.5 GB disk4s3
/dev/disk5
#: type name size identifier
0: videoraid2 *1.2 TB disk5 -
Helped making RAID from Panther (10.3) boot CD/DVD and erasing (= formating) created RAID in Tiger.
Tiger RAID hell !!David
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