November 29, 20187 yr Hello I am planing some upgrades and wonder if anyone could be of help, i am still a NIX noob ... 1. i found 4 HDDs with read errors atm i am moving the data to the working HDDs. as i have already removed 1 dead HDD physically i wonder how i can remove it from the array i get some error messages about a missing Drive. 2. i am planing to buy 3 big HDDs, one as a parity drive and 2 for data - best and fastest way to add, move content and remove the older smaller disks 3. i have 1 250 GB cache SSD and want to replace it wit 2 512 GB SSDs safest way to do that because i have 2 user shares in cache only mode .... thanks ahead .... Edited November 29, 20187 yr by ahab666 spelling qwertz <-> qwerty
November 29, 20187 yr Community Expert 2 hours ago, ahab666 said: as i have already removed 1 dead HDD physically i wonder how i can remove it from the array i get some error messages about a missing Drive. Array is currently with or without parity? 2 hours ago, ahab666 said: best and fastest way to add, move content and remove the older smaller disks fastest is doing if before adding parity 2 hours ago, ahab666 said: i have 1 250 GB cache SSD and want to replace it wit 2 512 GB SSDs safest way to do that because i have 2 user shares in cache only mode .... https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=511923 or https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=480419 and then https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=480417
November 29, 20187 yr Community Expert You really should just stop what you're currently doing (moving things), Go to Tools - Diagnostics, and attach the complete diagnostics zip to your next post. Then wait for further advice. The one disk you already removed. Are you absolutely sure it was completely dead?
December 1, 20187 yr Author @Constructor and all I attached the latest diagnostic file and yes the one disk I removed was electrically dead - no spin up .... cheers tower-diagnostics-20181201-0610.zip
December 1, 20187 yr Community Expert 18 disks without parity... I guess that data has no value to you. A lot of disks showing issues, 2 or 3 are failing for sure, but there are others with possible issues, what I would recommend for now is running an extended SMART test on all disks and when done post new diags so we can really see what we're working with.
December 1, 20187 yr Community Expert 1 hour ago, ahab666 said: @Constructor and all @Member, sounds like you are in a mess. Of course without parity there will be no recovering the files on the dead disk. Hope you have backups
June 3, 20197 yr Author On 11/29/2018 at 2:35 PM, johnnie.black said: Array is currently with or without parity? fastest is doing if before adding parity https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=511923 or https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=480419 and then https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=480417 hi johnny black at al, following up on the cache hw update i added a *.txt file of the preclean message-summaries - i wonder if the big difference in the zeroing speed will degrade the pool performance to the slower write speed ? the second question is for the "migration" part - what happens if i have stored the docker img file in the root of the existing cache drive ? and what will happen if i add 2 512GB drives to the one slow old 256GB drive - and then after building and balancing the pool remove the small one. Will i at least get the 512GB Capacity of the 2 remaining larger ones ?? cheers ahab666 Preaclen Summery.txt
June 3, 20197 yr Community Expert 17 minutes ago, ahab666 said: i wonder if the big difference in the zeroing speed will degrade the pool performance to the slower write speed ? Likely yes, though you should avoid preclearing SSDs. 17 minutes ago, ahab666 said: what happens if i have stored the docker img file in the root of the existing cache drive ? Delete and re-create, no need to copy https://forums.unraid.net/topic/57181-real-docker-faq/?do=findComment&comment=564309
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