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Questions tagged [hardware-raid]

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.

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HP ProLiant DL380e Gen8 - Cant Access Raid Controller

i have a HP ProLiant DL380e Gen8 Server with ah P420 Raid Controller. I have configured Raid 5 with 3 Disks. I want to expand the Raid with 2 more Disks. But i cannot access the Raid Controller -> HP Smart Storage Administrator anymore. On Bootup…
t_mod2k
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ESXi does not show drives for second RAID controller with NVMe drives

I got a second RAID controller (AVAGO 9440-8i) to put in my Dell T440 server (first RAID controller is a H740P). I got the Broadcom U.2 enabler cable and two WD Gold 2TB drives. I've updated ESXi, the lsi_mr3 package, the whole original Dell-system…
boindil
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How does RAID0 affect IOPS performance for NVMe SSDs?

I have an application which needs to read large amounts of small and randomly distributed entries from storage. To improve the performance I am considering to install a specialized hardware RAID controller (like a Highpoint SSD7505) together with…
Bobface
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megacli cant configure jbod slot num all the same

I am trying to add a bunch of JBOD disks to my home server, I have a SAS expanded card and have added 4 x 2TB disks which can be seen as separate devices (37-40); but I can't set them to JBOD using. sudo megacli -PDMakeJbod…
Adam
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How to properly design a 300TB array?

I'm trying to figure out good practices for building a large 300TB array. Performance is not a priority, only the 300TB usable storage target plus redundancy. And yes I will be taking backups. My planned hardware has 18 HDD slots and 12 HDD slots.…
Gami
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Adaptec 6805 accessing to JBOD with GPT / NTFS

I have several hard drives with GPT and NTFS volumes, and I plugged them to an Adaptec 6805 but The volumes are not visibles from Windows 10 and from MaxView. The only option I have ti to initialize (metadata and drive), which if I understand well…
Soleil
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Is it best to have the OS on a separate virtual disk?

I have a server with 8 drive bays, and I have eight 4TB drives. Would it be best to do one RAID10 with all drives, or one RAID1 with two drives and then a RAID10 with the remaining six so that the operating system (Windows Server) has its own drive…
Kyle Souza
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One bad sector causes the whole RAID0 to fail?

In our server, we have four SSDs. The first one is for OS, and the remaining three are for RAID0. Today, the disk mount corresponding to RAID0 suddenly goes missing. When I check the disks, the 3rd disk in the RAID0 says there is one bad sector, and…
Raven Cheuk
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how does a striped RAID work with large number of disks?

still trying to configure my large (24) array of disks (2.4TB) for an archive/nas of mixed huge and small files. But apart from this, I am now more focused to understand how striped RAIDs work under the hood but more I read and more I get confused…
pink0.pallino
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Three Single drive Raid 1 vs JBOD

I have an intel server of which the RAID Controller does not support JBOD mode (same problem as my Dell R820s). But I want to do Ceph, so I "need" a JBOD. So I set my 3 SSDs as single drive RAID 1 from the controller configuration UI (maybe I should…
Johnride
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How to configure notification on degraded RAID?

I am planning a RAID1(mirror) array in a NAS using either a Hardware or Software RAID controller using Linux. Though I did not find any documentation in which way the system will notify me that the RAID is degraded. I dont want to actively check for…
Alex
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Windows RAID drive performance suddenly dropped

I have a Windows system that has as a data drive, one RR640L controller. Attached to this controller are four 2TB drives in a RAID5 configuration (2 Seagate ST2000VN000 and 2 Samsung HD203WI). Suddenly, read performance from this (logical) drive…
Dennis
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Mounting 32Tb RAID Volume Causes Server To Crash

I have a 32Tb NTFS RAID 5 volume. 5x8tb SATA, LSI 9361i+Supercap. Was working fine until it started behaving strange on day - drive name vanished and data seemed to vanish. Then rebooted, Windows 10, wanted to do a check when booting but I skipped…
Robin Gill
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HPE SSA: After completing the configuration - reboot the system

From the HPE ProLiant System Utilities (BIOS) I booted into HPE Smart Storage Administrator (SSA) to migrate a logical drive with RAID6 (and existing data) to RAID5. After starting the migration task, which would need several hours to complete, the…
stackprotector
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Setting up raid hardware with out deleting data

so I have a home lab, and in the beginning, I started with only 1 DISK, and in the raid config, I bypassed the raid because I didn't have 2 disks to make a RAID 10 or 1, but now, I want some redundancy, and I want to install a new identical disk. My…
DeadSec
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