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Questions tagged [ssd]

Solid-state drive refers to a data storage device that uses solid-state memory to store its persistent data.

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Show free SSD space after TRIM / UNMAP / Deallocate?

For a hard drive supporting ATA TRIM, SCSI UNMAP, or NVMe Deallocate, is it possible to report on the amount of unallocated space? For example, we take a 1TB drive, then write 500GB data to it, then delete 300GB. Is there any command to show that…
PhilR
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SAS3 HBA / Backplane Issue

I have the Supermicro BPN-SAS3-743A backplane hooked up to a AOC-S3008L-L8i RAID card in IT mode using a regular mini SAS SFF-8643 to SFF-8643 cable bought from Amazon. When I'm in the HBA bios, the topology shows no drives even though there are 4…
arvinkx
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How to setup SSD's in RAID 5 on a MSA2060?

In the near future we want to replace our current MSA2050 with SAS disks to a MSA2060 with 10 SSD disks (HPE, 960GB each). We are going to use RAID 5. Since RAID 5 can go up to 16 disks, we can make 1 cluster of 10 disks. Is this good practice…
RudyB
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HP ProLiant DL380 G7 (P410i) compatible drives

I have recently been looking to do an upgrade on my server recently by upgrading to using SSDs (2.5 inch). I have done a lot of late night googling and have found that many drives have an issue with the RAID card in the machine where the fans will…
Toffee
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ext4fs: Adding multiple flash storage (SSD) into one LVM volume (one at a time) + resizefs: Is it friendly for the flash storage

In the said use case as the title: The scenario to be, for example: In the beginning, I had one SSD drive with ext4fs, then after the storage was not sufficient, I added another drive by LVM + resizefs, and again add the 3rd drive..., and so on. I…
Robin Hsu
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bcache fails to attach local ssd as caching device in google cloud

I'm trying to setup bcache in an instance in google cloud using a raid of local SSDs as caching device but everything fails in the attach phase of the process. For testing purposes I created a new instance with blank disks (two SSDs and four Local…
Demian
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MegaRAID: New SSDs blink red

Last week I installed two new SSDs for a customer. It's an Server 2016 Standard Core with Intel Xeon @ 3.70 GHz, 4x32GB RAM and LSI RAID-Controller 9341-8i. I created a RAID 1 with 2x1TB SSDs via StorCLI and all works fine. Consistency = ok,…
m_eshart
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Since VFRC feature in VMware is now end of lifed, what can I replace it with?

Now that VFRC (vflash read cache) is end of lifed in Vsphere 7, does anyone have suggestions on what I could replace it with. Looks like there is only Infinio and Virtunet in the market now, has anyone tried these or any others?
KVH Hospital
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Do unused SSDs degrade over time?

I have a spare SSD which I keep at home in case one breaks. I've seen articles about SSDs losing data over time even if they are not being used, but can unused/empty SSDs degrade over time too? (and is there a difference if the SSD is plugged in and…
dippynark
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Resetting SMART on an SSD (hours powered on)

We've been bitten by a known issue on SanDisk SSDs (Dell or HPE branded) where they hard fail after a certain number of hours powered on - 32768 or 40000 depending on the specific model. Is there a reliable way to roll just this SMART attribute…
Mike Texter
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Memory Running Low - VM Swapfile vs Host Cache

I have server running a VMware 5.5 hosting 3 VMs which are using all memory of my server. I've just added a 120GB SSD but I don't know what tool to use it to smooth performance a bit. Swapfile or host cache, which one should be correct?
Ygor Montenegro
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Very bad write speed on mdadm RAID1 with SSDs

I have two Samsung 860 QVO in RAID1 with mdadm. The write speed of a single disc is around 450MB/s. I reach a maximum of 70MB/s on the RAID 1. The reading speed is normal. xfs is used as the file system. What is the problem…
DerFlo129
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What is more stressful for an SSD drive, a RAID-1 sync or multiple OS and software installations?

I was wondering recently, what is more stressful for an SSD drive in a RAID-1 array, a RAID sync or multiple installations of OSes and software. Say for example that you have a new server with empty disks in a RAID-1 array, where (on the same…
user2173353
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Do I need to replace my NVME SSD?

I have a simple server setup: 2 NVME SSD disks (both SAMSUNG MZVLB1T0HALR-00000 for 1TB) united into RAID0. OS Ubuntu 19.04 Today my system stopped responding. Reboot didn't help. I connected via KVM and noticed these error messages at booting…
Stalinko
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Repeatedly run fstrim doesn't seem to work

When I run fstrim --all -v a few times in a row it doesn't seem to be working as expected. Every time it reports that it processes the same number of bytes: root@pc:~# fstrim --all -v /boot/efi: 503.2 MiB (527675392 bytes) trimmed on…
oᴉɹǝɥɔ
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