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
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1 answer
Software RAID vs Hardware RAID
I need more info about RAID. I have a 1U server from Dell R210 with an onboard RAID controller, which I am not able to get to work with Ubuntu install, so I setup a software RAID on Ubuntu.
My question is now, what can I do? Right now I am testing…
Paris Nakita Kejser
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1 answer
What is standard I/O for Disc
I have raid5 and 6 HD one HD size is 1TB. In the Nagios monitoring most of the time we saw error for Disc IO usage critical we set 3000 as a warning and 3500 as a critical error in nagios plug-in for this Disc IO usage. Can anyone help our what is…
Badal Singh Dudy
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3 answers
Is it possible to have multiple storage servers in a failover cluster?
I'm familiar with setting up RAID arrays and am running a few in my home environment.
I was wondering if it's possible to have multiple storage servers in a failover configuration.
What I hope to achieve with this is to have a certain redundancy…
Mephy
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1 answer
3ware 9650se not recognizing SAS drives, what else should I check?
The card works fine with SATA Raptors but can't see 2 different models of Cheetah. Drives are fine and have standard fw - visible with LSI 3081ER.
dragonsen
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1 answer
How to estimate the time taken by RAID rebuild?
I was being stupid and when smoke testing my storage server I forgot to plug in the power of one of its drives (D'oh!) Now I am stuck in rebuilding the RAID-5 array. (Thank god it is RAID-5 or I could have lost a few TB worth of data)
How can I…
Maxthon Chan
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2 answers
Hardware RAID0: what happens when a drive fails?
With a hardware-based RAID0, what happens when a drive fails?
For example, on brand name servers like HP DL120G7 with HP P410, when running FreeBSD on a zfs with a zpool mirror, or DragonFly BSD with mirroring through HAMMER etc.
The following…
cnst
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2 answers
Is it okay to shut down Adaptec 5085 / MSA60 raid for 5 hours?
Adaptec Raid 5085 with no battery (on the raid card)
6 MSA60s
Raid 10
Big APC UPS with low load
Our building power needs to go out for 5 hours. Is it okay to shut down the raid for that long? One of our backup servers does not have a battery on…
InfoTech
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2 answers
Red Hat 5.3 on HP Proliant DL380 G5 and failed drive on RAID controller
I have a development ERP server here in my office that I assist with support on, and originally the DBA requested a single drive setup for some of the drives on the server. Thus the hardware RAID controller (an HP embedded controller) looks…
thinkdreams
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1 answer
Restoring Win server 2008 from full back up?
I'm having trouble of restoring win server 2008, can anyone help me.
First of all, i got the Power Edge 2900 running raid 1 with 3 disk. Power outage happend, and 2 disks are gone -slot0 and slot1 (both flash yellow led), and controller shows lost…
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2 answers
Why is a double disk failure an issue for a 5 disk Raid 5 configuration?
Based on this question about RAID-5 for 5 disks: Two disks failed simultaneously?
Sorry if I butcher some of the terminology
Why is a double disk failure an issue for a 5 disk Raid 5 configuration? Even with 2 disks offline, I still can access the…
Paul Totzke
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1 answer
RAID 1, error "PCI training error" after power surge on DELL POWER EDGE R410
After a power surge a DELL POWER EDGE R410 is no longer booting, the error is "PCIe Training Error: Embedded NIC 1".
On this server there is a RAID 1.
Can I remove one HDD and view data on another computer if I mount it directly - no RAID…
Victorqedu
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1 answer
Daily rsync instead of RAID 1?
I'm building a small home server, and in looking at software and/or hardware RAID1 and RAID5 and ZFS and whatever, I thought, "what if I just rsync daily between the two internal drives?". What are the cost/benefits of this? I like the idea of…
Eric Wolf
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1 answer
raid 1 always degraded after pushing reset
I have Marvell hardware raid 1.
After pushing reset or any other incorrect shutdown raid is degraded.
Is it possible to create hardware raid 1 on other chips(intel chipset for example) for example or software raid 1 such that it is not degraded…
Vyacheslav
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3 answers
How safe is Raid 0 with Perc710P hardware raid controller?
I bought my new server Dell R620 and it does have Perc710P HW Raid controller.
I have 4x512GB Samsung 850 Pro SSD's.
I will use cPanel and host over 1000 websites on server. That means I need storage space and speed. I know that Raid 0 is not safe.…
Murat G
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1 answer
Vpd r/w failed This is likely a firmware bug on this device
Does this mean my RAID 1 device is failing?
EDIT: seeing this is a raidcare issue. How can I pull the specs and download/install the driver?
netlink: 12 bytes leftover after parsing attributes.
megaraid_sas 0000:05:00.0: vpd r/w failed. This is…
Jason
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