kubernetes – Compaction error: Corruption: unequal checksum block: expected 862584094, obtained 1969278739

Currently I try to handle this right in my weekend of 3 commemorative days: D

  • Ceph 13.2.4 (Filestore)
  • Tower 0.9
  • Kubernetes 1.14.1


My configuration is a Kubernetes user with the address of the Ceph tower. When using 13.2.4, I have this problem with one of my OSDs always restarting. This happened recently. No power failure occurred or nothing occurred at the node.

The only thing I could find to help was https://tracker.ceph.com/issues/21303, but this one seems to be a year old. I'm not sure where to start with this. Any clue or point to the documentation to follow, or a solution if you have one, would be of great help. I see some tools for Bluestore, but I do not know how they are applicable and I want to be very careful given the situation.

In the worst case, I have backups. Willing to try things within reason.

Failed to deallocate Matrix – double free or corruption C

Hi, I'm having a problem trying to free in an assigned array, I'm doing a program to rotate an array, after assigning I execute a function and then the free does not work, returning the double free error or corruption

cop = malloc (x * sizeof (long int *));
(int k = 0, k <x, k ++)
cop[k] = malloc (and * sizeof (long int *));

transfected (mat, COP, Lin, et al, theta variables);

(int i = 0; i <x; i ++)
free (COP[i]);
free (COP);

The function used is the following:

empty transferase (long mat ** int, long int ** policeman, long lin int, long, int col, Int theta much, much int var)
long int value;
// x * sin (theta * PI / 180) + and * cos (theta * PI / 180);
// x * cos (theta * PI / 180) - and * sin (theta * PI / 180);
(int i = 0; i <lin; i ++)
(int k = 0; k) < col; k++)
            long int a = k*cos(theta*PI/180) - i*sin(theta*PI/180);
            long int b = k*sin(theta*PI/180) + i*cos(theta*PI/180);
            a += var;
            cop[b][a] = mat[i][k];
            if (a > 0)
cop[b][a-1]    = mat[i][k];

This function relates the lin / col of one matrix and rotates to b / a of another (in the case, the matrix cop), x and y is the size of the matrix necessary for the image to be broken.
Theta = 90º as an example

Corruption of notebook files – Mathematica Stack Exchange

During the past few years, the start of Mathematica's notebook files on my computers has been frequently corrupted (Mathematica 11.x on Windows). If I open them with Windows Notepad, the first line is more or less meaningless. Usually, the first text that is not corrupted on the CIDID line. There may also be more corrupt lines in the notebook. When I open these notebook files with Mathematica, the message box titled "Why the beep?" Appears, which says "There seems to be an error in the file names below. You should close it without saving and then verify the & # 39; Analyze and load & # 39; in the Notebook Options dialog box Name / address of the file ". Any idea what could be causing this? Thank you very much for any help you can provide.

7.0 nougat – Micro SD partition strategy for Android (context of attrition leveling and data corruption)?

The main problem is related to bad blocks / groups And it happens to be the Android platform.
This is a 128 gb Sandisk (leave this link, it is not an announcement.) The specific card indicates other parameters, such as memory channels, writing speed, etc., card that I am using in a Nougat from Android device.

This is the second time that the card had corruption problems. The first one I bought has Write Locked. Replacement present was provided
The card has a lot of bad groups. 2 things made me smell this:

  • Whatsapp directory (which had a link to Whatsapp dir on internal): the image directory can no longer be written to
  • The phone restarts randomly and next time. exFat partition is not mounted (I used app2sd and parted the card to ext4 10gb to link my applications and rest if exfat )

ran a Chkdksk in Windows 7 and it would automatically stop at the initial execution and persist in the execution it gave me the repeated message "# cluster moved by the file "(can not remember the exact verbiage.) It could never be completed, but it was canceled with the message." corruption found on the card "


  • Given this situation, is there any SO utility or third-party tool that can complete the execution of the card and mark defective blocks and those defective blocks are not available to write? If I ran Chkdsk with / r / x options and that was when he vomited with all these errors and did not run until the end. I tried pulled apart for android that runs fsck (exFat sub) and the report was normalized to <1 min, which tells me that it did not invoke bad blocks routine

  • From what I read due to & # 39; leveling wear & # 39; the dynamics change so bad sectors it can not be permanently marked and the only temporary solution would be to make a low-level format. The question is – is it so, pl. confirms my understanding?

  • So if the above is correct. I wanted to think of ways in which I can reduce data corruption and have control of the above. What I'm thinking is, after erasing the data – instead of exFat. I'm going to create several Ext4 partitions
    one ext4 for the hidden partition of app2sd (as is currently the case)
    other ext4 Pat # 2 for most RO data
    ext4 Pat # 3 for mostly moderate RW data (like camera photos)
    ext4 Pat # 4 for RW mostly high (as What application media)

    – Is this going to help make life better than before?

    -like I do auto mount ext4 (The default external storage for Android is exFat or Fat32 ) and that also more than 1 divide ? what files are equivalent to fstab files in android ( this is nougat ) I add my custom assembly order to?

    – Any other solution that you can think of?

file systems: ZFS protection against bit corruption and silent corruption without RAID

I've never encountered a disk failure in my entire life, but I had a dozen bit corruption and silent corruption. The "normal" RAID hardware and file systems can do absolutely nothing about it. I have been using parity redundancy at the application level to protect my most important data, but apparently it is not entirely effective.

I know that ZFS stores the checksum of the fragments in the software RAID, which offers protection against bit corruption and silent corruption. The problem is that I do not want RAID and that is off the table.

So, is it possible to use parity at the file system level without RAID or multiple disk systems? For example, allocating part of the disk space to store the parity of the "fragments" instead of storing the parity of disks of equal size on another disk as in RAID5.

[ Politics ] Open question: Republican = really evil people who use bribes, lobbying, incessant corruption and nepotism?

[ Politics ] Open question: Republican = really evil people who use bribes, lobbying, incessant corruption and nepotism? .

Data corruption – How to recover files from corrupted photos?

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corruption – Macbook hd testdisk output analysis not boot

I ran the test disk on an old macbook with a non-bootable hard drive,
Advanced search and get this output.

I have no idea where to start.

Disk / dev / sdb - 240 GB / 223 GiB - CHS 29185 255 63
Partition Start End Size in sectors
D EFI system 40 409639 409600 [EFI System Partition] [EFI]
 D EFI System 46 409645 409600 [EFI System Partition] [EFI]
 D Mac HFS 55777007 55949061 172055 [^?~Dst�^S~H~P3I~D�~s^B~G�g^D�b^N~S[^^~S]
 D Mac HFS 55949058 56121112 172055 [^?~Dst�^S~H~P3I~D�~s^B~G�g^D�b^N~S[^^~S]
 D Mac HFS 65898024 82956179 17058156
D Mac HFS 69974679 70146733 172055 [^?~Dst�^S~H~P3I~D�~s^B~G�g^D�b^N~S[^^~S]
 D Mac HFS 70146730 70318784 172055 [^?~Dst�^S~H~P3I~D�~s^B~G�g^D�b^N~S[^^~S]
 D Mac HFS 79133932 80928483 1794552
D Mac HFS 80928480 82723031 1794552
D Mac HFS 80928496 82723047 1794552
D Mac HFS 82723044 84517595 1794552
D Mac HFS 82956176 100014331 17058156

Any suggestion is appreciated!

mysql – MariaDB 10.2 crashes in innodb table corruption – trying to restore the database

I am running MariaDB 10.2 on Windows and I had some damage to my server's hard drive that ruined some innodb tables. Unfortunately, this also affected the backups, so I'm trying to dump the tables and restore them.

The problem is that, even with forced recovery set to 6, the server will be blocked when it reaches a damaged row. Dumping the table with asc and then desc worked for one table, but not for another and any attempt to skip the row with the limit and the compensation is still blocked.

I saw that there was a innodb_pass_corrupt_table_action = salvage Option in 10.1, but it is in disuse and is ignored with 10.2. Is there a similar configuration for 10.2? Are there other options to force MySQL to dump the tables? Thank you!

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