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Questions tagged [mkfs]

34 questions
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Do you have to partition before running mkfs on a single partition disk?

I see that some people don't use fdisk to create a partition on /dev/sdb... what is the difference between making and not making a partition for a single partition disk? I just added a partition on a virtual disk, ran mkfs.ext4 and mounted it, but I…
ujjain
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Always reserve blocks for super user when formatting a file system in Linux? Even for data only partitions?

When formatting a large partition (10TB) that will hold only application data, does it make sense to have 'reserved for the super user' space? 122065906 blocks (5.00%) reserved for the super user My gut says 'no', but a professional system…
Stu Thompson
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How can I create disk for smaller files with good read/write speeds?

I'm trying to find the best way to store lots of small files on a volume, without hitting the inode limits. I created a new drive with: sudo mkfs.ext4 -N 100000000 /dev/device and this correctly shows: /dev/device 100040704 13929894 86110810 14%…
Andrew Newby
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Using Mkfs.xfs and setting the version information

When I use mkfs.xfs it is not enabling NLINK. I have another drive in the machine that is set up the exact what I need this drive setup and the only difference is NLINK on one and not on the other. Is there anyway to use Mkfs.xfs with an option to…
Case
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lvcreate mount previously removed Logical Volume, cento 7

So this is what i want to achieve, Unmount home partition at /home Remove home logical volume /dev/cl/home create new home logical volume from the same volume group cl and name home make xfs filesystem mount the new logical volume at /home. for…
ahmedjaad
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Create xfs system with mfks

I'am following a guide to install Zenoss which asks me to create a xfs system. To do this I need to run the following command: mkfs -t xfs Partition The guide says as follows: 'Replace Partition with the path of the target primary partition' What…
ltv
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Why use dir_index, filetype, and sparse_super with LUKS volumes?

I have been reviewing various HOWTOs and blog posts about encrypted LUKS volumes formatted with ext3. Every single document specifies mkfs with: -O dir_index,filetype,sparse_super and not one of them explains why. I have a rough idea what dir_index…
Mark
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CentOS: Set number of inodes in ext4 on Install

During installation of CentOS 6 I would like to set the number of inodes created on the ext4 partitions. Is there a way to do this? I have been unable to locate a solution. Example use case: I know I am going to have a 120GB disk and I am going to…
Chris Schuld
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Formatting drive as XFS on Centos 5.5

We've got a Centos 5.5 server with 2 array's. One is standard ext3 mounted as /, the other is an SSD array that we are attempting to format as XFS before moving our MySQL database to it. I've partitioned the SSD array as /dev/sdb1, but when…
user103677
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mkfs + xfs + what is the right mkfs cli in order to create xfs file-system on huge disk

We need to create xfs file-system on kafka disk The special thing about kafka disk is the disk size kafka disk have 20TB size in our case I not sure about the following mkfs , but I need advice to understand if the following cli , is good enough to…
shalom
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mkfs with condition VIA ssh

I want to create filesystem on remote machines VIA ssh in my bash script disk=sdg the following line is from my bash script ssh $IP " [[ ` lsblk -f | grep $disk | awk '{print NF}' ` -eq 1 ]] && mkfs.ext4 -j -m 0 /dev/$disk -F " bash: -c:…
shalom
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After creating RAID6 unit mkfs.xfs takes forever

We have a computing cluster with a relatively large storage system with RAID-6. The are 22 disks in this unit and each disk is 3TB (almost 20*3=60 TB). Recently many of the drives failed and rebuild was impossible. I Deleted the unit and recreated…
Lawless
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View extended options that were passed into mkfs.ext4

I am working with two block devices in a situation where one works with a certain configuration and the other does not. I assume this must be related to subtle differences in the extended options that were passed into respective calls of…
Drux
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Order of execution: First file system, then array vs. first array, then file system

Suppose I have two HDDs, same manufacturer, same model, same attributes (volume, speed, cache, ...). Both are equally partitioned. I want to have a level one array of two disks with one ext4 partition. Tool of choice: mdadm. Which one is better? a)…
user2964971
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running mke2fs with limited memory

I'm working on a computer with very little memory (128MB) - for my application I need to format large drives (4TB) I'm able to format greater than 2TB disks, up to about 2.5TB, but beyond that I'm given the below mke2fs 1.42-WIP…
stuck
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