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Raise default NBD timeout from 30 to 300 seconds and allow to take it from /etc/vitastor/vitastor.conf

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This commit is contained in:
Vitaliy Filippov
2023-12-02 14:11:14 +03:00
parent 037cf64a47
commit 628aa59574
9 changed files with 35 additions and 21 deletions
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src/nbd_proxy.cpp
+13 -10
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@@ -30,7 +30,7 @@ protected:
std::string image_name;
uint64_t inode = 0;
uint64_t device_size = 0;
int nbd_timeout = 30;
int nbd_timeout = 300;
int nbd_max_devices = 64;
int nbd_max_part = 3;
inode_watch_t *watch = NULL;
@@ -135,14 +135,16 @@ public:
" %s unmap /dev/nbd0\n"
" %s ls [--json]\n"
"OPTIONS:\n"
" All usual Vitastor config options like --etcd_address <etcd_address> plus NBD-specific:\n"
" --nbd_timeout 30\n"
" All usual Vitastor config options like --config_file <path_to_config> plus NBD-specific:\n"
" --nbd_timeout 300\n"
" Timeout for I/O operations in seconds after exceeding which the kernel stops\n"
" the device. You can set it to 0 to disable the timeout, but beware that you\n"
" won't be able to stop the device at all if vitastor-nbd process dies.\n"
" --nbd_max_devices 64 --nbd_max_part 3\n"
" Options for the \"nbd\" kernel module when modprobing it (nbds_max and max_part).\n"
" note that maximum allowed (nbds_max)*(1+max_part) is 256.\n"
" Note that nbd_timeout, nbd_max_devices and nbd_max_part options may also be specified\n"
" in /etc/vitastor/vitastor.conf or in other configuration file specified with --config_file.\n"
" --logfile /path/to/log/file.txt\n"
" Wite log messages to the specified file instead of dropping them (in background mode)\n"
" or printing them to the standard output (in foreground mode).\n"
@@ -204,17 +206,18 @@ public:
exit(1);
}
}
if (cfg["nbd_max_devices"].is_number() || cfg["nbd_max_devices"].is_string())
auto file_config = osd_messenger_t::read_config(cfg);
if (file_config["nbd_max_devices"].is_number() || file_config["nbd_max_devices"].is_string())
{
nbd_max_devices = cfg["nbd_max_devices"].uint64_value();
nbd_max_devices = file_config["nbd_max_devices"].uint64_value();
}
if (cfg["nbd_max_part"].is_number() || cfg["nbd_max_part"].is_string())
if (file_config["nbd_max_part"].is_number() || file_config["nbd_max_part"].is_string())
{
nbd_max_part = cfg["nbd_max_part"].uint64_value();
nbd_max_part = file_config["nbd_max_part"].uint64_value();
}
if (cfg["nbd_timeout"].is_number() || cfg["nbd_timeout"].is_string())
if (file_config["nbd_timeout"].is_number() || file_config["nbd_timeout"].is_string())
{
nbd_timeout = cfg["nbd_timeout"].uint64_value();
nbd_timeout = file_config["nbd_timeout"].uint64_value();
}
if (cfg["client_writeback_allowed"].is_null())
{
@@ -272,7 +275,7 @@ public:
int i = 0;
while (true)
{
int r = run_nbd(sockfd, i, device_size, NBD_FLAG_SEND_FLUSH, 30, bg);
int r = run_nbd(sockfd, i, device_size, NBD_FLAG_SEND_FLUSH, nbd_timeout, bg);
if (r == 0)
{
printf("/dev/nbd%d\n", i);