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Q&A: Breaking RAID
Q I have a Data Tale 4-Bay RAID system running in 0+1 mode, which is getting filled up with video material that I want to keep. Can I remove its disks to storage and replace them with fresh drives? If...
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Blogs in Flames
For a couple of centuries before its destruction by fire, the Royal Library at Alexandria was the hub of European civilisation. Its hundreds of thousands of scrolls, covering every aspect of classical...
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Q&A: Broken Mac mini Server RAID
Q We have hit a problem with our Mac mini Server, which has otherwise been proving an excellent purchase. We have it configured to use a RAID array, which we set up using Disk Utility. Before...
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Q&A: NASty errors
Q We use a mirrored external NAS to back up, then periodically write completed projects to DVD. When I try to trash the files after transferring them to DVD, level 3 folders and files cannot be...
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Q&A: Mac mini Server RAID
Q We recently decided to re-jig our Mac mini Server so that its two internal disks would work a RAID mirror pair, from which we want to run OS X Server. However, we cannot find a way to set that up,...
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Drive failed, so what’s important?
Computers still oversimplify the real world. Their simple logical true-false, or binary 1-0, categorisation just doesn’t do life justice. On Friday night, one of the four hard drives in my Promise RAID...
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From disaster back to normal: rebuilding the RAID
As I mentioned, my Promise external RAID system suffered a dead drive recently. I am delighted to report that I have replaced the drive, and it is now rebuilt, and taking my Time Machine backups again....
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From a broken Promise to an even bigger Promise
Last week, a second hard drive in my Promise Pegasus R4 RAID array died. The first had given up the ghost late last year, and had been duly replaced. The immediate question was what to do once I had...
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Keeping your Promise: upgrading a Promise Pegasus R4 RAID
If you have a hardware RAID system like the Promise Pegasus R4, how easy is it to increase its drive capacity non-destructively? It takes a little time, but works well. My upgrade was rather forced on...
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How it took 2 days to upgrade my RAID, thanks to a bug in Disk Utility, and...
The saga to upgrade my Promise Pegasus R4 RAID drive just kept going. Last time, I thought it was all done. I had replaced the drives one by one, migrated the size of the logical drive to fill the...
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How to check and repair your drives in El Capitan
The tables, directories and other structures required for drive storage systems are complex, and prone to error, and sometimes corruption. Establishing that a problem is not the result of such issues...
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Blogs in Flames
For a couple of centuries before its destruction by fire, the Royal Library at Alexandria was the hub of European civilisation. Its hundreds of thousands of scrolls, covering every aspect of classical...
View ArticleClik here to view.
Q&A: Broken Mac mini Server RAID
Q We have hit a problem with our Mac mini Server, which has otherwise been proving an excellent purchase. We have it configured to use a RAID array, which we set up using Disk Utility. Before...
View ArticleClik here to view.
Q&A: NASty errors
Q We use a mirrored external NAS to back up, then periodically write completed projects to DVD. When I try to trash the files after transferring them to DVD, level 3 folders and files cannot be...
View ArticleClik here to view.
Q&A: Mac mini Server RAID
Q We recently decided to re-jig our Mac mini Server so that its two internal disks would work a RAID mirror pair, from which we want to run OS X Server. However, we cannot find a way to set that up,...
View ArticleClik here to view.
Drive failed, so what’s important?
Computers still oversimplify the real world. Their simple logical true-false, or binary 1-0, categorisation just doesn’t do life justice. On Friday night, one of the four hard drives in my Promise RAID...
View ArticleClik here to view.
From disaster back to normal: rebuilding the RAID
As I mentioned, my Promise external RAID system suffered a dead drive recently. I am delighted to report that I have replaced the drive, and it is now rebuilt, and taking my Time Machine backups again....
View ArticleClik here to view.
From a broken Promise to an even bigger Promise
Last week, a second hard drive in my Promise Pegasus R4 RAID array died. The first had given up the ghost late last year, and had been duly replaced. The immediate question was what to do once I had...
View ArticleClik here to view.
Keeping your Promise: upgrading a Promise Pegasus R4 RAID
If you have a hardware RAID system like the Promise Pegasus R4, how easy is it to increase its drive capacity non-destructively? It takes a little time, but works well. My upgrade was rather forced on...
View ArticleClik here to view.
How it took 2 days to upgrade my RAID, thanks to a bug in Disk Utility, and...
The saga to upgrade my Promise Pegasus R4 RAID drive just kept going. Last time, I thought it was all done. I had replaced the drives one by one, migrated the size of the logical drive to fill the...
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