Changeset 64613 in vbox for trunk

Timestamp:

Nov 9, 2016 2:02:31 PM (8 years ago)

Author:

vboxsync

Message:

testbox-maintenance.sh: Reduce the block size so it's below the max pipe size and use iflag=fullblock when reading from the gunzip pipe.

File:

• trunk/src/VBox/ValidationKit/docs/testbox-maintenance.sh (modified) (3 diffs)

trunk/src/VBox/ValidationKit/docs/testbox-maintenance.sh

@@ -37 +37 @@
 MY_BACKUP_MNT_TEST_FILE="/mnt/testbox-backup/testbox-backup"
 MY_GLOBAL_LOG_FILE="${MY_BACKUP_ROOT}/maintenance.log"
+MY_DD_BLOCK_SIZE=256K
 
 MY_IP=""
@@ -322 +323 @@
             if test -b "${MY_SRC}"; then
                 InfoMsg "Backing up ${MY_SRC} to ${MY_DST}...";
-                dd if="${MY_SRC}" bs=2M | gzip -c > "${MY_DST}";
+                dd if="${MY_SRC}" bs=${MY_DD_BLOCK_SIZE} | gzip -c > "${MY_DST}";
                 MY_RCS=("${PIPESTATUS[@]}");
                 if test "${MY_RCS[0]}" -eq 0 -a "${MY_RCS[1]}" -eq 0; then
@@ -346 +347 @@
                 if test -f "${MY_SRC}"; then
                     InfoMsg "Restoring ${MY_SRC} onto ${MY_DST}...";
-                    gunzip -c "${MY_SRC}" | dd of="${MY_DST}" bs=64K;
+                    gunzip -c "${MY_SRC}" | dd of="${MY_DST}" bs=${MY_DD_BLOCK_SIZE} iflag=fullblock;
                     MY_RCS=("${PIPESTATUS[@]}");
                     if test ${MY_RCS[0]} -eq 0 -a ${MY_RCS[1]} -eq 0; then