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Author Previous TopicReplies: 11 / Views: 426Next Topic  
Forum Dad
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United States
21916 Posts
 Posted 04/24/2022  06:40 am Show Profile   Bookmark this topic Add bobby131313 to your friends list Get a Link to this Message
Monitoring detected a RAID disk acting up. It will be replaced. Estimated down time is an hour.
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45698 Posts
 Posted 04/24/2022  06:59 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
RAID disk,what is that? Thanks for letting us know. Hope all goes well.
John1
( I'm no pro, it's just my humble opinion )
Searched 6.5 +/- Million Cents Since 1971
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Australia
19828 Posts
 Posted 04/24/2022  07:43 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
Thanks for the info.
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United States
3976 Posts
 Posted 04/24/2022  07:55 am  Show Profile   Bookmark this reply Add keith12 to your friends list Get a Link to this Reply
"redundant array of inexpensive disks". Whatever that means
Bedrock of the Community
United States
45698 Posts
 Posted 04/24/2022  09:03 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
( I'm no pro, it's just my humble opinion )
Searched 6.5 +/- Million Cents Since 1971
Forum Dad
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United States
21916 Posts
 Posted 04/24/2022  7:05 pm  Show Profile   Bookmark this reply Add bobby131313 to your friends list Get a Link to this Reply

Quote:
"redundant array of inexpensive disks". Whatever that means


No, it's "redundant array of independent disks."

Each disk letter (for example C drive) is physically written to 2 disks (SSDs here) simultaneously. If one dies, the other takes over so no down time while waiting for it to be replaced. They would have to both crap out at once for a long down time.
Bedrock of the Community
Australia
19828 Posts
 Posted 04/24/2022  7:24 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
To the Forum Dad:
Thanks for your work.
Without you, CCF would not exist.
Bedrock of the Community
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United States
70143 Posts
 Posted 04/24/2022  7:24 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
All of us coots in Memory Care appreciate what you do every day!
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3650 Posts
 Posted 04/24/2022  7:43 pm  Show Profile   Bookmark this reply Add BStrauss3 to your friends list Get a Link to this Reply
RAID is a spectrum of technologies used to combine disks into sets for both speed and/or redundancy

RAID0 takes the data and spreads it across all drives - speed, but any failure takes out the volume. So it is less safe than a single drive.

RAID1 takes the data and writes two copies. It can survive one failure, but you lose half the capacity.

RAID10 = RAID0 + RAID1 - so you have two copies, but the individual copies are spread across multiple disks.

RAID5

RAID6

RAID50

RAID60

there are others, but less common.
-----Burton
48 year / Life ANA member (joined 12/1/1973)
Life member: Numismatics International, CONECA
Member: TNA, FtWCC, NETCC, OnLinw Coin Club
Owned by four cats and a wife of 37 years (joined 1983)
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United States
70143 Posts
 Posted 04/24/2022  7:55 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Check, got it.
Forum Dad
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United States
21916 Posts
 Posted 04/27/2022  10:47 am  Show Profile   Bookmark this reply Add bobby131313 to your friends list Get a Link to this Reply
Went perfectly, they replaced the disk and rebuilt the RAID1 with only 13 minutes down time.
Bedrock of the Community
Australia
19828 Posts
 Posted 04/28/2022  01:18 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
  Previous TopicReplies: 11 / Views: 426Next Topic  
 
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