Questions tagged [hard-drive]

Questions about hard disks' performance, issues, tips, and software.

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106 views

Windows Disk Cluster for Hyper-V Failover Cluster

Looking for design assistance. Typically, I use a 2 node SAN disk cluster running CentOS and DRBD for high availability. I will then connect the hypervisor(s) via iSCSI; sometimes KVM/QEMU, sometimes ...
0
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1answer
42 views

After resizing Azure Linux VM, data in the attached datadisk is lost. Why?

Here is the general information : I created and attached standard SSD datadisk on the creation of the ubuntu VM. Aplication files were on the datadisk. I mounted datadisk following this tutorial ...
0
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1answer
18 views

Partition of mdadm raid0 array passed through to win10 20H2 via virto driver is suddenly lost. How can I figure out why?

I have checked the logs. System has been working for a month then suddenly they could not see the drive on network. It is a linux file server with a virtual windows on top of it ... Virtual windows ...
0
votes
1answer
53 views

Clone disk with multiple partitions using dd

I have used dd before to clone hard drive's but I'm now attempting to clone an entire hard drive consisting of 3 partitions to another drive. My partitions are named nvme0n1p1 to 3, I tried leaving ...
0
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0answers
66 views

Poor proxmox pveperf performance on a mdadm raid 1

When running pveperf on a Debian + Proxmox PowerEdge R540 server that uses two hard drive in a raid 1 configuration (using mdadm), I get very low performances in the number of FSYNCS/SECOND: $ sudo ...
2
votes
1answer
99 views

Failed to Partition a 10TB HD?

Before I tried to partition a 10TB HDD again, parted saw it: # parted /dev/sdb (parted) print list Model: ATA ST10000NM0016-1T (scsi) Disk /dev/...
0
votes
0answers
80 views

ssh connection refused for Google Cloud Platform instance

I am trying to connect to my Google Cloud VM instance through SSH. I didn't have any problem before I mounted a new 500GB zonal persistent disk and even then I was able to ssh and format the disk and ...
0
votes
0answers
18 views

Find errors on HDD, RAID, SSD, NVME with one program

Is there a software that can automatically find errors and failed disks, on any of these types of storage: mechanical HDD flash-storage like USB-sticks or SD-cards RAID SSD NVME I'm working with a ...
0
votes
0answers
25 views

S.M.A.R.T spin retry count

Monitoring the spin retry count of a 2-months-old HDD I don't fully trust (noise), I wonder: If "current" is 134, why is "worst" indicated as 100 and "threshold" as 30? ...
2
votes
1answer
53 views

About IOPS of a RAID5 disk array without cache

we are using a 530-8i RAID adapter,which is none-cache supported, on a Lenovo ThinkSystem SR590 server.And we have 4 HDD(600GB/10K RPM/SAS) in the array. I read an article about calculating the disk/...
-1
votes
2answers
123 views

Trying to erase disk content by filling all bits with “1”, not “0”

I have 2 old 160GB WD drives that do not have "Security-Delete" option when querying with hdparm. I understand the current acceptance of the mechanism overwriting entire disks with zeros. ...
-2
votes
2answers
48 views

How can I block bad sectors of HDD forever? [closed]

How can I specifically determine and block bad sectors that is likely to fail in the future? Can anyone suggest a 3rd party freeware? I was using a freeware called Victoria. Does it help? And there ...
2
votes
2answers
64 views

how to extend SAN storage in CentOS 7

I have a server with CentOS 7 using LUN for storing data. Recently Storage team has extended the LUN space. This is the output of multipath -ll ~ # multipath -ll ...
1
vote
1answer
34 views

where is the disk capacity stored?

In short, if I do dd disk-to-disk (e.g. /dev/sda to /dev/sdb), is the capacity of the whole disk also copied? For example, if sda is actually 1TB and sdb 2TB, after the dd, which would a Linux system ...
1
vote
1answer
86 views

linux + disk apears from lsblk but blkid not give the UUID

we have rhel 7.6 server with sdb and sdc and sdd disks the machine is physical machines with disk of 1.7T each of them we notice the sdd disk displayed from lsblk as lsblk | grep data sda ...

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