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General => Guidelines and more => Topic started by: alansamsa on March 21, 2022, 12:02:15 AM

Title: LS441D running in degraded mode
Post by: alansamsa on March 21, 2022, 12:02:15 AM
I have a LS441D NAS which is operating in degraded mode (code I12).
Disk 4 is shown as 'failed'.
Can I keep operating in this mode (seems to operate fine) or do I need to change the disk ASAP?
If the latter, what is the best procedure?
Thanks

Title: Re: LS441D running in degraded mode
Post by: Texturtle on March 21, 2022, 09:52:45 AM
Bear in mind that those drives are likely all about the same age. If a second drive fails you will lose all data on the unit. Do you have a backup of all the data? You should replace the drive immediately. Here's the procedure: https://www.buffalo.jp/s3/guide/ls/400/99/en/pc_index.html?Chapter4#h3anc8 (https://www.buffalo.jp/s3/guide/ls/400/99/en/pc_index.html?Chapter4#h3anc8)
Title: Re: LS441D running in degraded mode
Post by: alansamsa on March 24, 2022, 04:01:59 PM
Thanks for the advice, will try that !
Title: Re: LS441D running in degraded mode
Post by: alansamsa on March 24, 2022, 07:44:19 PM
What disks are suitable to install / replace into the LS441D?
Can I just get any hard disk of same size or does it need to be specific for the NAS I have?
Thanks
Title: Re: LS441D running in degraded mode
Post by: alansamsa on March 25, 2022, 02:25:15 AM
Hi, if I do not replace the failed drive (one of four) and then keep the NAS as three drives, can I redo the array as three drives (with a single HD port empty)? OR does the NAS redo the array with three drives only?
Title: Re: LS441D running in degraded mode
Post by: Texturtle on March 25, 2022, 09:39:00 AM
You can't do that and retain the data currently stored on the array.
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