RAID solution with hardware assistance. RAID parity calculations can be performed by either the main CPU, or by a separate processor on the RAID controller card.
Questions tagged [hardware-raid]
693 questions
4
votes
1 answer
Partition alignment on MegaRAID RAID 1 with 4k sector (advanced format) drives
I want to setup RAID 1 (mirroring) on a LSI MegaRAID SAS 8708EM2 (1078 chipset) with 4k sector (advanced format) drives. To the best of my knowlegde the controller does not officially support 4k sector drives whereas the newer 9xxxx series…
georg
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2 answers
Is it Possible to Automatically Resilver a ZFS Array On Hotswap
I'm trying to learn about ZFS for a NAS I'm planning on building. I'm trying to understand if the following scenario would be possible to set up. Disclaimer: I know very little about ZFS, so forgive me if I say something stupid.
I have 4 drives in…
Dominic P
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2 answers
How to find a compatible disk for HP server?
How to find a compatible disk for HP server? I own HP ML350 G6 server.
I have found a spare parts list, but since there is no disk of size 300 GB 2.5 10K 6G (originally installed on server) I am confused. There are also spare part numbers which do…
John
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3 answers
How to understand the LSI HBA connector specs?
When reading the specifications for the LSi SAS 9206-16e HBA, it says
Storage Connectivity; Data Transfer Rates
* 16 ports; 6Gb/s SAS 2.1 compliant
SAS Bandwidth
* Half Duplex 2400MB/s, x4, 6Gb/s SAS lanes
Port Configurations
* 16 ea, x1 ports…
Sandra
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2 answers
Write caching in linux
I have read a lot on serverfault and searched on google about write caching, but still cant find the answer.
I have an HP ProLiant DL380 G5 with HW raid with 512 MB Battery backed cache. I use debian linux.
There are 3 write caches:
1. OS write…
Jozko
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4
votes
1 answer
Dell 2950 - Can I mix SSD with spindle HDDs?
I have a Dell 2950 with a Perc 5/i controller inside it. I don't want to spark a debate about drive types and which is "better" etc etc. Just simply;
I would like to put in 2x Cheetah 15.5k SAS drives and mirror them for the OS. I would also like to…
jwbensley
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1 answer
Areca RAID volume and LVM alignment
I have the following hardware:
1x - Areca ARC-1680IX-24 PCIe x8 SAS RAID Card
24x - Seagate Barracuda LP 2 TB 5900RPM SATA 3 GB/s 32 MB Cache 3.5-Inch Internal Hard Drive ST32000542AS
I plan on setting up the following volumes on the RAID…
taylorjonl
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- 3
4
votes
3 answers
Areca 1880i RAID card doesn't initialize: "Waiting for F/W to become ready"
During a kickstart installation (Centos 6.0) of a server having this hardware:
Areca 1880i 8-port SAS RAID PCIe 512MB cache
Areca Battery Backup Module
6 Hitachi Deskstar 7K3000 HDS723030ALA640 64MB 3TB
I pressed ctrl+alt+del because I wanted to…
Erik Sjölund
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1 answer
Remove 1 Disk From 4 Disk RAID 5 Array
Im using a PERC 3/DC controller to run a RAID 5 array using 4 hard disks.
I am hoping to change this to 3 disks in the array and 1 hot spare.
Is it possible to remove 1 disk from the array, reconfigure it as a hot spare, then reconfigure the RAID 5…
scampbell
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4
votes
3 answers
Defragment an Exchange Volume
The Scenario:
I use a dedicated volume (RAID volume) to store all of my data for my Exchange 2007 server. Today, out of curiosity, I decided to check up on how fragmented the files on this data volume were. To my surprise, the answer is extremely.…
IceMage
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3 answers
Ubuntu Server Hotswap RAID 1: Hardware or Software?
I'm building new servers for a project I'm working on. They will all run Ubuntu Server x64 (10.04 soon) and require a RAID 1 hotswap configuration (just two drives) to minimize downtime.
I'm not worried about Raid performance. The server hardware…
Andrew Ensley
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4
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2 answers
How does hardware RAID handle firmware updates for the underlying drives?
My SuperMicro X13SAE has hardware raid for the three m.2 NVME drives that it supports. My question is how does it handle firmware updates for these drives? If the drives aren't being exposed to the operating system, then I assume fwupdmgr and…
Evan Carroll
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1 answer
RAID-10 - replace the raid controller
I have a RAID-10 configured on LSI Logic 9211-4i controller (4 disks). The controller seems to be faulty. Every few days it stops to work, Vmware logs this: Lost access to volume xxxxxxxx-xxxxxxxx-xxxx-xxxxxxxxxxxx (DATASTORE) due to connectivity…
XorOrNor
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1 answer
RAID 10 Configuration Settings with different disks
I have just started configuring a server with 4 SSD drives.
Each drive pair has the same capacity, but not the same throughout the 4 disks.
I want to use RAID 10, and I have tried different configurations in the Megaraid BIOS to see what would be…
Miguel Mesquita Alfaiate
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3
votes
2 answers
PERC H330 or Windows Storage Space on Raid 5
I'm trying to build a raid 5 array for our file server using the following:
1. Dell Poweredege R530 - server
2. Windows Server 2016 - OS
3. 3x 4TB SAS - Hard Drives
4. PERC H330 mini - embedded raid controller of dell server
But in my inquiries…
Jessirel
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